Home / 123,923,646,744.12-171,009,581,123.56-73,191,013,425.73

Finding the Fourth Proportional to 123,923,646,744.12, 171,009,581,123.56 and 73,191,013,425.73

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Solution

The fourth proportional to 123,923,646,744.12, 171,009,581,123.56 and 73,191,013,425.73 is: 101,000,615,110.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,923,646,744.12 : 171,009,581,123.56 = 73,191,013,425.73 : x
  2. Step 2: Convert to fraction form
    123,923,646,744.12/171,009,581,123.56 = 73,191,013,425.73/x
  3. Step 3: Cross multiply
    123,923,646,744.12x = 171,009,581,123.56 × 73,191,013,425.73
  4. Step 4: Simplify right side
    123,923,646,744.12x = 12,516,364,547,942,942,507,008
  5. Step 5: Solve for x
    x = 12,516,364,547,942,942,507,008/123,923,646,744.12
  6. Step 6: Final answer
    x = 101,000,615,110.91

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1.5x scale

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.