Home / 86,912,383,885.20-130,368,575,827.80-47,137,213,681.20

Finding the Fourth Proportional to 86,912,383,885.20, 130,368,575,827.80 and 47,137,213,681.20

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Solution

The fourth proportional to 86,912,383,885.20, 130,368,575,827.80 and 47,137,213,681.20 is: 70,705,820,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,912,383,885.20 : 130,368,575,827.80 = 47,137,213,681.20 : x
  2. Step 2: Convert to fraction form
    86,912,383,885.20/130,368,575,827.80 = 47,137,213,681.20/x
  3. Step 3: Cross multiply
    86,912,383,885.20x = 130,368,575,827.80 × 47,137,213,681.20
  4. Step 4: Simplify right side
    86,912,383,885.20x = 6,145,211,416,108,733,562,880
  5. Step 5: Solve for x
    x = 6,145,211,416,108,733,562,880/86,912,383,885.20
  6. Step 6: Final answer
    x = 70,705,820,521.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.