Home / 99,506,091.60-149,259,137.40-90,896,747.40

Finding the Fourth Proportional to 99,506,091.60, 149,259,137.40 and 90,896,747.40

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Solution

The fourth proportional to 99,506,091.60, 149,259,137.40 and 90,896,747.40 is: 136,345,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,506,091.60 : 149,259,137.40 = 90,896,747.40 : x
  2. Step 2: Convert to fraction form
    99,506,091.60/149,259,137.40 = 90,896,747.40/x
  3. Step 3: Cross multiply
    99,506,091.60x = 149,259,137.40 × 90,896,747.40
  4. Step 4: Simplify right side
    99,506,091.60x = 13,567,170,109,389,694
  5. Step 5: Solve for x
    x = 13,567,170,109,389,694/99,506,091.60
  6. Step 6: Final answer
    x = 136,345,121.10

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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.