Home / 127,840,640.04-176,420,007.06-69,103,306.14

Finding the Fourth Proportional to 127,840,640.04, 176,420,007.06 and 69,103,306.14

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Solution

The fourth proportional to 127,840,640.04, 176,420,007.06 and 69,103,306.14 is: 95,362,521.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,840,640.04 : 176,420,007.06 = 69,103,306.14 : x
  2. Step 2: Convert to fraction form
    127,840,640.04/176,420,007.06 = 69,103,306.14/x
  3. Step 3: Cross multiply
    127,840,640.04x = 176,420,007.06 × 69,103,306.14
  4. Step 4: Simplify right side
    127,840,640.04x = 12,191,205,757,088,142
  5. Step 5: Solve for x
    x = 12,191,205,757,088,142/127,840,640.04
  6. Step 6: Final answer
    x = 95,362,521.29

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1.5x scale

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.