Home / 74,855,999.40-112,283,999.10-42,607,372.20

Finding the Fourth Proportional to 74,855,999.40, 112,283,999.10 and 42,607,372.20

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Solution

The fourth proportional to 74,855,999.40, 112,283,999.10 and 42,607,372.20 is: 63,911,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,855,999.40 : 112,283,999.10 = 42,607,372.20 : x
  2. Step 2: Convert to fraction form
    74,855,999.40/112,283,999.10 = 42,607,372.20/x
  3. Step 3: Cross multiply
    74,855,999.40x = 112,283,999.10 × 42,607,372.20
  4. Step 4: Simplify right side
    74,855,999.40x = 4,784,126,141,758,165
  5. Step 5: Solve for x
    x = 4,784,126,141,758,165/74,855,999.40
  6. Step 6: Final answer
    x = 63,911,058.30

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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.