Home / 102,607,867,726.81-153,937,437,293.77-72,413,960,592.81

Finding the Fourth Proportional to 102,607,867,726.81, 153,937,437,293.77 and 72,413,960,592.81

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Solution

The fourth proportional to 102,607,867,726.81, 153,937,437,293.77 and 72,413,960,592.81 is: 108,639,032,901.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,607,867,726.81 : 153,937,437,293.77 = 72,413,960,592.81 : x
  2. Step 2: Convert to fraction form
    102,607,867,726.81/153,937,437,293.77 = 72,413,960,592.81/x
  3. Step 3: Cross multiply
    102,607,867,726.81x = 153,937,437,293.77 × 72,413,960,592.81
  4. Step 4: Simplify right side
    102,607,867,726.81x = 11,147,219,517,949,219,962,880
  5. Step 5: Solve for x
    x = 11,147,219,517,949,219,962,880/102,607,867,726.81
  6. Step 6: Final answer
    x = 108,639,032,901.73

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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.