Home / 145,522,891.30-218,314,663.35-48,508,737.70

Finding the Fourth Proportional to 145,522,891.30, 218,314,663.35 and 48,508,737.70

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Solution

The fourth proportional to 145,522,891.30, 218,314,663.35 and 48,508,737.70 is: 72,773,215.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,522,891.30 : 218,314,663.35 = 48,508,737.70 : x
  2. Step 2: Convert to fraction form
    145,522,891.30/218,314,663.35 = 48,508,737.70/x
  3. Step 3: Cross multiply
    145,522,891.30x = 218,314,663.35 × 48,508,737.70
  4. Step 4: Simplify right side
    145,522,891.30x = 10,590,168,740,508,954
  5. Step 5: Solve for x
    x = 10,590,168,740,508,954/145,522,891.30
  6. Step 6: Final answer
    x = 72,773,215.58

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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.