Home / 86,619,720.62-129,945,967.77-34,808,356.58

Finding the Fourth Proportional to 86,619,720.62, 129,945,967.77 and 34,808,356.58

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Solution

The fourth proportional to 86,619,720.62, 129,945,967.77 and 34,808,356.58 is: 52,219,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619,720.62 : 129,945,967.77 = 34,808,356.58 : x
  2. Step 2: Convert to fraction form
    86,619,720.62/129,945,967.77 = 34,808,356.58/x
  3. Step 3: Cross multiply
    86,619,720.62x = 129,945,967.77 × 34,808,356.58
  4. Step 4: Simplify right side
    86,619,720.62x = 4,523,205,582,271,347
  5. Step 5: Solve for x
    x = 4,523,205,582,271,347/86,619,720.62
  6. Step 6: Final answer
    x = 52,219,119.96

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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.