Home / 137,792,169.20-206,688,253.80-91,875,666.80

Finding the Fourth Proportional to 137,792,169.20, 206,688,253.80 and 91,875,666.80

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Solution

The fourth proportional to 137,792,169.20, 206,688,253.80 and 91,875,666.80 is: 137,813,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,792,169.20 : 206,688,253.80 = 91,875,666.80 : x
  2. Step 2: Convert to fraction form
    137,792,169.20/206,688,253.80 = 91,875,666.80/x
  3. Step 3: Cross multiply
    137,792,169.20x = 206,688,253.80 × 91,875,666.80
  4. Step 4: Simplify right side
    137,792,169.20x = 18,989,621,137,602,636
  5. Step 5: Solve for x
    x = 18,989,621,137,602,636/137,792,169.20
  6. Step 6: Final answer
    x = 137,813,500.20

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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.