Home / 99,506,124.60-149,259,186.90-90,896,780.40

Finding the Fourth Proportional to 99,506,124.60, 149,259,186.90 and 90,896,780.40

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Solution

The fourth proportional to 99,506,124.60, 149,259,186.90 and 90,896,780.40 is: 136,345,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,506,124.60 : 149,259,186.90 = 90,896,780.40 : x
  2. Step 2: Convert to fraction form
    99,506,124.60/149,259,186.90 = 90,896,780.40/x
  3. Step 3: Cross multiply
    99,506,124.60x = 149,259,186.90 × 90,896,780.40
  4. Step 4: Simplify right side
    99,506,124.60x = 13,567,179,534,331,858
  5. Step 5: Solve for x
    x = 13,567,179,534,331,858/99,506,124.60
  6. Step 6: Final answer
    x = 136,345,170.60

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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.