Home / 85,178,256.40-127,767,384.60-54,567,254.80

Finding the Fourth Proportional to 85,178,256.40, 127,767,384.60 and 54,567,254.80

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Solution

The fourth proportional to 85,178,256.40, 127,767,384.60 and 54,567,254.80 is: 81,850,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,178,256.40 : 127,767,384.60 = 54,567,254.80 : x
  2. Step 2: Convert to fraction form
    85,178,256.40/127,767,384.60 = 54,567,254.80/x
  3. Step 3: Cross multiply
    85,178,256.40x = 127,767,384.60 × 54,567,254.80
  4. Step 4: Simplify right side
    85,178,256.40x = 6,971,915,430,597,795
  5. Step 5: Solve for x
    x = 6,971,915,430,597,795/85,178,256.40
  6. Step 6: Final answer
    x = 81,850,882.20

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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.