Home / 112,554,356.61-155,329,866.50-62,318,574.78

Finding the Fourth Proportional to 112,554,356.61, 155,329,866.50 and 62,318,574.78

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Solution

The fourth proportional to 112,554,356.61, 155,329,866.50 and 62,318,574.78 is: 86,002,320.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,554,356.61 : 155,329,866.50 = 62,318,574.78 : x
  2. Step 2: Convert to fraction form
    112,554,356.61/155,329,866.50 = 62,318,574.78/x
  3. Step 3: Cross multiply
    112,554,356.61x = 155,329,866.50 × 62,318,574.78
  4. Step 4: Simplify right side
    112,554,356.61x = 9,679,935,900,736,074
  5. Step 5: Solve for x
    x = 9,679,935,900,736,074/112,554,356.61
  6. Step 6: Final answer
    x = 86,002,320.94

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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.