Home / 86,102,266.18-129,153,874.94-21,406,071.32

Finding the Fourth Proportional to 86,102,266.18, 129,153,874.94 and 21,406,071.32

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Solution

The fourth proportional to 86,102,266.18, 129,153,874.94 and 21,406,071.32 is: 32,109,225.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,102,266.18 : 129,153,874.94 = 21,406,071.32 : x
  2. Step 2: Convert to fraction form
    86,102,266.18/129,153,874.94 = 21,406,071.32/x
  3. Step 3: Cross multiply
    86,102,266.18x = 129,153,874.94 × 21,406,071.32
  4. Step 4: Simplify right side
    86,102,266.18x = 2,764,677,058,220,000.50
  5. Step 5: Solve for x
    x = 2,764,677,058,220,000.50/86,102,266.18
  6. Step 6: Final answer
    x = 32,109,225.24

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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.