Home / 191,727,076.80-287,259,940.80-89,280,998.40

Finding the Fourth Proportional to 191,727,076.80, 287,259,940.80 and 89,280,998.40

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Solution

The fourth proportional to 191,727,076.80, 287,259,940.80 and 89,280,998.40 is: 133,767,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,727,076.80 : 287,259,940.80 = 89,280,998.40 : x
  2. Step 2: Convert to fraction form
    191,727,076.80/287,259,940.80 = 89,280,998.40/x
  3. Step 3: Cross multiply
    191,727,076.80x = 287,259,940.80 × 89,280,998.40
  4. Step 4: Simplify right side
    191,727,076.80x = 25,646,854,314,948,896
  5. Step 5: Solve for x
    x = 25,646,854,314,948,896/191,727,076.80
  6. Step 6: Final answer
    x = 133,767,513.40

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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.