Home / 74,884,820.40-112,327,230.60-42,636,193.20

Finding the Fourth Proportional to 74,884,820.40, 112,327,230.60 and 42,636,193.20

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Solution

The fourth proportional to 74,884,820.40, 112,327,230.60 and 42,636,193.20 is: 63,954,289.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,884,820.40 : 112,327,230.60 = 42,636,193.20 : x
  2. Step 2: Convert to fraction form
    74,884,820.40/112,327,230.60 = 42,636,193.20/x
  3. Step 3: Cross multiply
    74,884,820.40x = 112,327,230.60 × 42,636,193.20
  4. Step 4: Simplify right side
    74,884,820.40x = 4,789,205,505,482,552
  5. Step 5: Solve for x
    x = 4,789,205,505,482,552/74,884,820.40
  6. Step 6: Final answer
    x = 63,954,289.80

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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.