Home / 141,786,875.30-212,255,160.15-84,249,529.70

Finding the Fourth Proportional to 141,786,875.30, 212,255,160.15 and 84,249,529.70

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Solution

The fourth proportional to 141,786,875.30, 212,255,160.15 and 84,249,529.70 is: 126,121,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786,875.30 : 212,255,160.15 = 84,249,529.70 : x
  2. Step 2: Convert to fraction form
    141,786,875.30/212,255,160.15 = 84,249,529.70/x
  3. Step 3: Cross multiply
    141,786,875.30x = 212,255,160.15 × 84,249,529.70
  4. Step 4: Simplify right side
    141,786,875.30x = 17,882,397,419,035,682
  5. Step 5: Solve for x
    x = 17,882,397,419,035,682/141,786,875.30
  6. Step 6: Final answer
    x = 126,121,669.45

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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.