Home / 144,068,555.35-216,070,489.72-66,270,741.31

Finding the Fourth Proportional to 144,068,555.35, 216,070,489.72 and 66,270,741.31

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Solution

The fourth proportional to 144,068,555.35, 216,070,489.72 and 66,270,741.31 is: 99,391,234.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,068,555.35 : 216,070,489.72 = 66,270,741.31 : x
  2. Step 2: Convert to fraction form
    144,068,555.35/216,070,489.72 = 66,270,741.31/x
  3. Step 3: Cross multiply
    144,068,555.35x = 216,070,489.72 × 66,270,741.31
  4. Step 4: Simplify right side
    144,068,555.35x = 14,319,151,528,959,134
  5. Step 5: Solve for x
    x = 14,319,151,528,959,134/144,068,555.35
  6. Step 6: Final answer
    x = 99,391,234.22

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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.