Home / 145,655,247.29-218,514,363.75-77,488,031.93

Finding the Fourth Proportional to 145,655,247.29, 218,514,363.75 and 77,488,031.93

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Solution

The fourth proportional to 145,655,247.29, 218,514,363.75 and 77,488,031.93 is: 116,248,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,655,247.29 : 218,514,363.75 = 77,488,031.93 : x
  2. Step 2: Convert to fraction form
    145,655,247.29/218,514,363.75 = 77,488,031.93/x
  3. Step 3: Cross multiply
    145,655,247.29x = 218,514,363.75 × 77,488,031.93
  4. Step 4: Simplify right side
    145,655,247.29x = 16,932,247,995,423,636
  5. Step 5: Solve for x
    x = 16,932,247,995,423,636/145,655,247.29
  6. Step 6: Final answer
    x = 116,248,801.95

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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.