Home / 115,020,502.20-172,488,762.90-38,346,031.80

Finding the Fourth Proportional to 115,020,502.20, 172,488,762.90 and 38,346,031.80

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Solution

The fourth proportional to 115,020,502.20, 172,488,762.90 and 38,346,031.80 is: 57,505,048.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,020,502.20 : 172,488,762.90 = 38,346,031.80 : x
  2. Step 2: Convert to fraction form
    115,020,502.20/172,488,762.90 = 38,346,031.80/x
  3. Step 3: Cross multiply
    115,020,502.20x = 172,488,762.90 × 38,346,031.80
  4. Step 4: Simplify right side
    115,020,502.20x = 6,614,259,587,306,060
  5. Step 5: Solve for x
    x = 6,614,259,587,306,060/115,020,502.20
  6. Step 6: Final answer
    x = 57,505,048.76

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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.