Home / 152,379,244.04-210,279,780.18-89,659,404.32

Finding the Fourth Proportional to 152,379,244.04, 210,279,780.18 and 89,659,404.32

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Solution

The fourth proportional to 152,379,244.04, 210,279,780.18 and 89,659,404.32 is: 123,727,873.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,379,244.04 : 210,279,780.18 = 89,659,404.32 : x
  2. Step 2: Convert to fraction form
    152,379,244.04/210,279,780.18 = 89,659,404.32/x
  3. Step 3: Cross multiply
    152,379,244.04x = 210,279,780.18 × 89,659,404.32
  4. Step 4: Simplify right side
    152,379,244.04x = 18,853,559,831,479,340
  5. Step 5: Solve for x
    x = 18,853,559,831,479,340/152,379,244.04
  6. Step 6: Final answer
    x = 123,727,873.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.