Home / 98,151,232.80-147,545,713.80-84,121,190.40

Finding the Fourth Proportional to 98,151,232.80, 147,545,713.80 and 84,121,190.40

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Solution

The fourth proportional to 98,151,232.80, 147,545,713.80 and 84,121,190.40 is: 126,455,070.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,151,232.80 : 147,545,713.80 = 84,121,190.40 : x
  2. Step 2: Convert to fraction form
    98,151,232.80/147,545,713.80 = 84,121,190.40/x
  3. Step 3: Cross multiply
    98,151,232.80x = 147,545,713.80 × 84,121,190.40
  4. Step 4: Simplify right side
    98,151,232.80x = 12,411,721,083,273,710
  5. Step 5: Solve for x
    x = 12,411,721,083,273,710/98,151,232.80
  6. Step 6: Final answer
    x = 126,455,070.70

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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.