Home / 210,924,021.20-316,386,031.80-89,739,726.80

Finding the Fourth Proportional to 210,924,021.20, 316,386,031.80 and 89,739,726.80

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Solution

The fourth proportional to 210,924,021.20, 316,386,031.80 and 89,739,726.80 is: 134,609,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,924,021.20 : 316,386,031.80 = 89,739,726.80 : x
  2. Step 2: Convert to fraction form
    210,924,021.20/316,386,031.80 = 89,739,726.80/x
  3. Step 3: Cross multiply
    210,924,021.20x = 316,386,031.80 × 89,739,726.80
  4. Step 4: Simplify right side
    210,924,021.20x = 28,392,396,057,068,112
  5. Step 5: Solve for x
    x = 28,392,396,057,068,112/210,924,021.20
  6. Step 6: Final answer
    x = 134,609,590.20

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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.