Home / 155,975,578.17-215,178,533.15-94,061,510.97

Finding the Fourth Proportional to 155,975,578.17, 215,178,533.15 and 94,061,510.97

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Solution

The fourth proportional to 155,975,578.17, 215,178,533.15 and 94,061,510.97 is: 129,764,019.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,975,578.17 : 215,178,533.15 = 94,061,510.97 : x
  2. Step 2: Convert to fraction form
    155,975,578.17/215,178,533.15 = 94,061,510.97/x
  3. Step 3: Cross multiply
    155,975,578.17x = 215,178,533.15 × 94,061,510.97
  4. Step 4: Simplify right side
    155,975,578.17x = 20,240,017,955,926,928
  5. Step 5: Solve for x
    x = 20,240,017,955,926,928/155,975,578.17
  6. Step 6: Final answer
    x = 129,764,019.43

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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.