Home / 128,304,159.40-192,456,239.10-124,525,023.40

Finding the Fourth Proportional to 128,304,159.40, 192,456,239.10 and 124,525,023.40

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Solution

The fourth proportional to 128,304,159.40, 192,456,239.10 and 124,525,023.40 is: 186,787,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,304,159.40 : 192,456,239.10 = 124,525,023.40 : x
  2. Step 2: Convert to fraction form
    128,304,159.40/192,456,239.10 = 124,525,023.40/x
  3. Step 3: Cross multiply
    128,304,159.40x = 192,456,239.10 × 124,525,023.40
  4. Step 4: Simplify right side
    128,304,159.40x = 23,965,617,677,403,496
  5. Step 5: Solve for x
    x = 23,965,617,677,403,496/128,304,159.40
  6. Step 6: Final answer
    x = 186,787,535.10

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1.5x scale

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.