Home / 98,144,385.21-135,438,842.32-54,091,278.91

Finding the Fourth Proportional to 98,144,385.21, 135,438,842.32 and 54,091,278.91

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Solution

The fourth proportional to 98,144,385.21, 135,438,842.32 and 54,091,278.91 is: 74,645,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,144,385.21 : 135,438,842.32 = 54,091,278.91 : x
  2. Step 2: Convert to fraction form
    98,144,385.21/135,438,842.32 = 54,091,278.91/x
  3. Step 3: Cross multiply
    98,144,385.21x = 135,438,842.32 × 54,091,278.91
  4. Step 4: Simplify right side
    98,144,385.21x = 7,326,060,195,764,547
  5. Step 5: Solve for x
    x = 7,326,060,195,764,547/98,144,385.21
  6. Step 6: Final answer
    x = 74,645,739.34

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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.