Home / 191,377,019.40-287,065,533.15-55,062,402.90

Finding the Fourth Proportional to 191,377,019.40, 287,065,533.15 and 55,062,402.90

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Solution

The fourth proportional to 191,377,019.40, 287,065,533.15 and 55,062,402.90 is: 82,593,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,377,019.40 : 287,065,533.15 = 55,062,402.90 : x
  2. Step 2: Convert to fraction form
    191,377,019.40/287,065,533.15 = 55,062,402.90/x
  3. Step 3: Cross multiply
    191,377,019.40x = 287,065,533.15 × 55,062,402.90
  4. Step 4: Simplify right side
    191,377,019.40x = 15,806,518,045,008,604
  5. Step 5: Solve for x
    x = 15,806,518,045,008,604/191,377,019.40
  6. Step 6: Final answer
    x = 82,593,605.52

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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.