Home / 143,690,474.07-215,671,976.46-88,937,436.42

Finding the Fourth Proportional to 143,690,474.07, 215,671,976.46 and 88,937,436.42

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Solution

The fourth proportional to 143,690,474.07, 215,671,976.46 and 88,937,436.42 is: 133,490,496.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,690,474.07 : 215,671,976.46 = 88,937,436.42 : x
  2. Step 2: Convert to fraction form
    143,690,474.07/215,671,976.46 = 88,937,436.42/x
  3. Step 3: Cross multiply
    143,690,474.07x = 215,671,976.46 × 88,937,436.42
  4. Step 4: Simplify right side
    143,690,474.07x = 19,181,312,693,986,988
  5. Step 5: Solve for x
    x = 19,181,312,693,986,988/143,690,474.07
  6. Step 6: Final answer
    x = 133,490,496.28

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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.