Home / 125,708,926.30-188,508,407.66-63,421,908.78

Finding the Fourth Proportional to 125,708,926.30, 188,508,407.66 and 63,421,908.78

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Solution

The fourth proportional to 125,708,926.30, 188,508,407.66 and 63,421,908.78 is: 95,105,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,708,926.30 : 188,508,407.66 = 63,421,908.78 : x
  2. Step 2: Convert to fraction form
    125,708,926.30/188,508,407.66 = 63,421,908.78/x
  3. Step 3: Cross multiply
    125,708,926.30x = 188,508,407.66 × 63,421,908.78
  4. Step 4: Simplify right side
    125,708,926.30x = 11,955,563,034,875,574
  5. Step 5: Solve for x
    x = 11,955,563,034,875,574/125,708,926.30
  6. Step 6: Final answer
    x = 95,105,124.09

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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.