Home / 89,554,421.40-134,331,632.10-28,970,147.40

Finding the Fourth Proportional to 89,554,421.40, 134,331,632.10 and 28,970,147.40

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Solution

The fourth proportional to 89,554,421.40, 134,331,632.10 and 28,970,147.40 is: 43,455,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,554,421.40 : 134,331,632.10 = 28,970,147.40 : x
  2. Step 2: Convert to fraction form
    89,554,421.40/134,331,632.10 = 28,970,147.40/x
  3. Step 3: Cross multiply
    89,554,421.40x = 134,331,632.10 × 28,970,147.40
  4. Step 4: Simplify right side
    89,554,421.40x = 3,891,607,182,419,571
  5. Step 5: Solve for x
    x = 3,891,607,182,419,571/89,554,421.40
  6. Step 6: Final answer
    x = 43,455,221.10

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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.