Home / 86,220,253.16-129,329,161.58-40,136,346.86

Finding the Fourth Proportional to 86,220,253.16, 129,329,161.58 and 40,136,346.86

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Solution

The fourth proportional to 86,220,253.16, 129,329,161.58 and 40,136,346.86 is: 60,203,953.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,220,253.16 : 129,329,161.58 = 40,136,346.86 : x
  2. Step 2: Convert to fraction form
    86,220,253.16/129,329,161.58 = 40,136,346.86/x
  3. Step 3: Cross multiply
    86,220,253.16x = 129,329,161.58 × 40,136,346.86
  4. Step 4: Simplify right side
    86,220,253.16x = 5,190,800,088,287,865
  5. Step 5: Solve for x
    x = 5,190,800,088,287,865/86,220,253.16
  6. Step 6: Final answer
    x = 60,203,953.22

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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.