Home / 123,923,646,743.62-171,009,581,122.87-73,191,013,425.23

Finding the Fourth Proportional to 123,923,646,743.62, 171,009,581,122.87 and 73,191,013,425.23

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Solution

The fourth proportional to 123,923,646,743.62, 171,009,581,122.87 and 73,191,013,425.23 is: 101,000,615,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,923,646,743.62 : 171,009,581,122.87 = 73,191,013,425.23 : x
  2. Step 2: Convert to fraction form
    123,923,646,743.62/171,009,581,122.87 = 73,191,013,425.23/x
  3. Step 3: Cross multiply
    123,923,646,743.62x = 171,009,581,122.87 × 73,191,013,425.23
  4. Step 4: Simplify right side
    123,923,646,743.62x = 12,516,364,547,806,935,908,352
  5. Step 5: Solve for x
    x = 12,516,364,547,806,935,908,352/123,923,646,743.62
  6. Step 6: Final answer
    x = 101,000,615,110.22

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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.