Home / 210,924,026.20-316,386,039.30-89,739,731.80

Finding the Fourth Proportional to 210,924,026.20, 316,386,039.30 and 89,739,731.80

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Solution

The fourth proportional to 210,924,026.20, 316,386,039.30 and 89,739,731.80 is: 134,609,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,924,026.20 : 316,386,039.30 = 89,739,731.80 : x
  2. Step 2: Convert to fraction form
    210,924,026.20/316,386,039.30 = 89,739,731.80/x
  3. Step 3: Cross multiply
    210,924,026.20x = 316,386,039.30 × 89,739,731.80
  4. Step 4: Simplify right side
    210,924,026.20x = 28,392,398,312,046,260
  5. Step 5: Solve for x
    x = 28,392,398,312,046,260/210,924,026.20
  6. Step 6: Final answer
    x = 134,609,597.70

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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.