Home / 86,407,358.20-129,611,168.51-35,289,377.01

Finding the Fourth Proportional to 86,407,358.20, 129,611,168.51 and 35,289,377.01

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Solution

The fourth proportional to 86,407,358.20, 129,611,168.51 and 35,289,377.01 is: 52,934,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,407,358.20 : 129,611,168.51 = 35,289,377.01 : x
  2. Step 2: Convert to fraction form
    86,407,358.20/129,611,168.51 = 35,289,377.01/x
  3. Step 3: Cross multiply
    86,407,358.20x = 129,611,168.51 × 35,289,377.01
  4. Step 4: Simplify right side
    86,407,358.20x = 4,573,897,390,256,030
  5. Step 5: Solve for x
    x = 4,573,897,390,256,030/86,407,358.20
  6. Step 6: Final answer
    x = 52,934,119.10

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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.