Home / 74,459,427.20-111,773,121.60-57,495,305.60

Finding the Fourth Proportional to 74,459,427.20, 111,773,121.60 and 57,495,305.60

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Solution

The fourth proportional to 74,459,427.20, 111,773,121.60 and 57,495,305.60 is: 86,307,805.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,459,427.20 : 111,773,121.60 = 57,495,305.60 : x
  2. Step 2: Convert to fraction form
    74,459,427.20/111,773,121.60 = 57,495,305.60/x
  3. Step 3: Cross multiply
    74,459,427.20x = 111,773,121.60 × 57,495,305.60
  4. Step 4: Simplify right side
    74,459,427.20x = 6,426,429,784,257,961
  5. Step 5: Solve for x
    x = 6,426,429,784,257,961/74,459,427.20
  6. Step 6: Final answer
    x = 86,307,805.82

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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.