Home / 103,793,156.30-155,689,734.45-65,572,561.10

Finding the Fourth Proportional to 103,793,156.30, 155,689,734.45 and 65,572,561.10

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Solution

The fourth proportional to 103,793,156.30, 155,689,734.45 and 65,572,561.10 is: 98,358,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,793,156.30 : 155,689,734.45 = 65,572,561.10 : x
  2. Step 2: Convert to fraction form
    103,793,156.30/155,689,734.45 = 65,572,561.10/x
  3. Step 3: Cross multiply
    103,793,156.30x = 155,689,734.45 × 65,572,561.10
  4. Step 4: Simplify right side
    103,793,156.30x = 10,208,974,624,865,400
  5. Step 5: Solve for x
    x = 10,208,974,624,865,400/103,793,156.30
  6. Step 6: Final answer
    x = 98,358,841.65

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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.