Home / 102,607,867,727.81-153,937,437,295.27-72,413,960,593.81

Finding the Fourth Proportional to 102,607,867,727.81, 153,937,437,295.27 and 72,413,960,593.81

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Solution

The fourth proportional to 102,607,867,727.81, 153,937,437,295.27 and 72,413,960,593.81 is: 108,639,032,903.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,607,867,727.81 : 153,937,437,295.27 = 72,413,960,593.81 : x
  2. Step 2: Convert to fraction form
    102,607,867,727.81/153,937,437,295.27 = 72,413,960,593.81/x
  3. Step 3: Cross multiply
    102,607,867,727.81x = 153,937,437,295.27 × 72,413,960,593.81
  4. Step 4: Simplify right side
    102,607,867,727.81x = 11,147,219,518,211,779,198,976
  5. Step 5: Solve for x
    x = 11,147,219,518,211,779,198,976/102,607,867,727.81
  6. Step 6: Final answer
    x = 108,639,032,903.23

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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.