Home / 97,031,687.81-145,105,451.46-72,456,871.82

Finding the Fourth Proportional to 97,031,687.81, 145,105,451.46 and 72,456,871.82

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Solution

The fourth proportional to 97,031,687.81, 145,105,451.46 and 72,456,871.82 is: 108,355,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,031,687.81 : 145,105,451.46 = 72,456,871.82 : x
  2. Step 2: Convert to fraction form
    97,031,687.81/145,105,451.46 = 72,456,871.82/x
  3. Step 3: Cross multiply
    97,031,687.81x = 145,105,451.46 × 72,456,871.82
  4. Step 4: Simplify right side
    97,031,687.81x = 10,513,887,096,094,924
  5. Step 5: Solve for x
    x = 10,513,887,096,094,924/97,031,687.81
  6. Step 6: Final answer
    x = 108,355,191.32

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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.