Home / 145,575,918.28-218,290,860.78-48,497,496.04

Finding the Fourth Proportional to 145,575,918.28, 218,290,860.78 and 48,497,496.04

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Solution

The fourth proportional to 145,575,918.28, 218,290,860.78 and 48,497,496.04 is: 72,721,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,575,918.28 : 218,290,860.78 = 48,497,496.04 : x
  2. Step 2: Convert to fraction form
    145,575,918.28/218,290,860.78 = 48,497,496.04/x
  3. Step 3: Cross multiply
    145,575,918.28x = 218,290,860.78 × 48,497,496.04
  4. Step 4: Simplify right side
    145,575,918.28x = 10,586,560,156,246,242
  5. Step 5: Solve for x
    x = 10,586,560,156,246,242/145,575,918.28
  6. Step 6: Final answer
    x = 72,721,919.13

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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.