Home / 191,777,109.80-287,334,990.30-89,331,031.40

Finding the Fourth Proportional to 191,777,109.80, 287,334,990.30 and 89,331,031.40

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Solution

The fourth proportional to 191,777,109.80, 287,334,990.30 and 89,331,031.40 is: 133,842,516.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,777,109.80 : 287,334,990.30 = 89,331,031.40 : x
  2. Step 2: Convert to fraction form
    191,777,109.80/287,334,990.30 = 89,331,031.40/x
  3. Step 3: Cross multiply
    191,777,109.80x = 287,334,990.30 × 89,331,031.40
  4. Step 4: Simplify right side
    191,777,109.80x = 25,667,931,040,808,000
  5. Step 5: Solve for x
    x = 25,667,931,040,808,000/191,777,109.80
  6. Step 6: Final answer
    x = 133,842,516.80

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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.