Home / 99,506,066.60-149,259,099.90-90,896,722.40

Finding the Fourth Proportional to 99,506,066.60, 149,259,099.90 and 90,896,722.40

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Solution

The fourth proportional to 99,506,066.60, 149,259,099.90 and 90,896,722.40 is: 136,345,083.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,506,066.60 : 149,259,099.90 = 90,896,722.40 : x
  2. Step 2: Convert to fraction form
    99,506,066.60/149,259,099.90 = 90,896,722.40/x
  3. Step 3: Cross multiply
    99,506,066.60x = 149,259,099.90 × 90,896,722.40
  4. Step 4: Simplify right side
    99,506,066.60x = 13,567,162,969,284,170
  5. Step 5: Solve for x
    x = 13,567,162,969,284,170/99,506,066.60
  6. Step 6: Final answer
    x = 136,345,083.60

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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.