Home / 98,302,726.48-135,708,760.50-71,811,333.76

Finding the Fourth Proportional to 98,302,726.48, 135,708,760.50 and 71,811,333.76

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Solution

The fourth proportional to 98,302,726.48, 135,708,760.50 and 71,811,333.76 is: 99,136,895.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,302,726.48 : 135,708,760.50 = 71,811,333.76 : x
  2. Step 2: Convert to fraction form
    98,302,726.48/135,708,760.50 = 71,811,333.76/x
  3. Step 3: Cross multiply
    98,302,726.48x = 135,708,760.50 × 71,811,333.76
  4. Step 4: Simplify right side
    98,302,726.48x = 9,745,427,094,421,406
  5. Step 5: Solve for x
    x = 9,745,427,094,421,406/98,302,726.48
  6. Step 6: Final answer
    x = 99,136,895.22

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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.