Home / 74,328,009.60-111,492,014.40-51,653,193.60

Finding the Fourth Proportional to 74,328,009.60, 111,492,014.40 and 51,653,193.60

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Solution

The fourth proportional to 74,328,009.60, 111,492,014.40 and 51,653,193.60 is: 77,479,790.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328,009.60 : 111,492,014.40 = 51,653,193.60 : x
  2. Step 2: Convert to fraction form
    74,328,009.60/111,492,014.40 = 51,653,193.60/x
  3. Step 3: Cross multiply
    74,328,009.60x = 111,492,014.40 × 51,653,193.60
  4. Step 4: Simplify right side
    74,328,009.60x = 5,758,918,604,657,188
  5. Step 5: Solve for x
    x = 5,758,918,604,657,188/74,328,009.60
  6. Step 6: Final answer
    x = 77,479,790.40

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Double scale
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Similar ratio
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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.