Home / 137,792,143.80-206,688,215.70-91,875,641.40

Finding the Fourth Proportional to 137,792,143.80, 206,688,215.70 and 91,875,641.40

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Solution

The fourth proportional to 137,792,143.80, 206,688,215.70 and 91,875,641.40 is: 137,813,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,792,143.80 : 206,688,215.70 = 91,875,641.40 : x
  2. Step 2: Convert to fraction form
    137,792,143.80/206,688,215.70 = 91,875,641.40/x
  3. Step 3: Cross multiply
    137,792,143.80x = 206,688,215.70 × 91,875,641.40
  4. Step 4: Simplify right side
    137,792,143.80x = 18,989,612,387,259,052
  5. Step 5: Solve for x
    x = 18,989,612,387,259,052/137,792,143.80
  6. Step 6: Final answer
    x = 137,813,462.10

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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.