Home / 42,616,356.40-63,929,200.20-41,272,663.60

Finding the Fourth Proportional to 42,616,356.40, 63,929,200.20 and 41,272,663.60

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Solution

The fourth proportional to 42,616,356.40, 63,929,200.20 and 41,272,663.60 is: 61,913,513.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,616,356.40 : 63,929,200.20 = 41,272,663.60 : x
  2. Step 2: Convert to fraction form
    42,616,356.40/63,929,200.20 = 41,272,663.60/x
  3. Step 3: Cross multiply
    42,616,356.40x = 63,929,200.20 × 41,272,663.60
  4. Step 4: Simplify right side
    42,616,356.40x = 2,638,528,374,071,653
  5. Step 5: Solve for x
    x = 2,638,528,374,071,653/42,616,356.40
  6. Step 6: Final answer
    x = 61,913,513.89

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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.