Home / 51,679,531.32-71,319,368.60-29,657,059.16

Finding the Fourth Proportional to 51,679,531.32, 71,319,368.60 and 29,657,059.16

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Solution

The fourth proportional to 51,679,531.32, 71,319,368.60 and 29,657,059.16 is: 40,927,668.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,679,531.32 : 71,319,368.60 = 29,657,059.16 : x
  2. Step 2: Convert to fraction form
    51,679,531.32/71,319,368.60 = 29,657,059.16/x
  3. Step 3: Cross multiply
    51,679,531.32x = 71,319,368.60 × 29,657,059.16
  4. Step 4: Simplify right side
    51,679,531.32x = 2,115,122,733,824,046.25
  5. Step 5: Solve for x
    x = 2,115,122,733,824,046.25/51,679,531.32
  6. Step 6: Final answer
    x = 40,927,668.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.