Home / 145,655,242.04-218,514,355.86-77,488,026.68

Finding the Fourth Proportional to 145,655,242.04, 218,514,355.86 and 77,488,026.68

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Solution

The fourth proportional to 145,655,242.04, 218,514,355.86 and 77,488,026.68 is: 116,248,794.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,655,242.04 : 218,514,355.86 = 77,488,026.68 : x
  2. Step 2: Convert to fraction form
    145,655,242.04/218,514,355.86 = 77,488,026.68/x
  3. Step 3: Cross multiply
    145,655,242.04x = 218,514,355.86 × 77,488,026.68
  4. Step 4: Simplify right side
    145,655,242.04x = 16,932,246,237,679,562
  5. Step 5: Solve for x
    x = 16,932,246,237,679,562/145,655,242.04
  6. Step 6: Final answer
    x = 116,248,794.07

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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.