Home / 129,141,034.08-193,712,250.96-38,265,410.40

Finding the Fourth Proportional to 129,141,034.08, 193,712,250.96 and 38,265,410.40

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Solution

The fourth proportional to 129,141,034.08, 193,712,250.96 and 38,265,410.40 is: 57,398,322.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,141,034.08 : 193,712,250.96 = 38,265,410.40 : x
  2. Step 2: Convert to fraction form
    129,141,034.08/193,712,250.96 = 38,265,410.40/x
  3. Step 3: Cross multiply
    129,141,034.08x = 193,712,250.96 × 38,265,410.40
  4. Step 4: Simplify right side
    129,141,034.08x = 7,412,478,782,492,194
  5. Step 5: Solve for x
    x = 7,412,478,782,492,194/129,141,034.08
  6. Step 6: Final answer
    x = 57,398,322.97

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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.