Home / 99,649,499.60-149,474,249.40-61,186,293.20

Finding the Fourth Proportional to 99,649,499.60, 149,474,249.40 and 61,186,293.20

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Solution

The fourth proportional to 99,649,499.60, 149,474,249.40 and 61,186,293.20 is: 91,779,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,499.60 : 149,474,249.40 = 61,186,293.20 : x
  2. Step 2: Convert to fraction form
    99,649,499.60/149,474,249.40 = 61,186,293.20/x
  3. Step 3: Cross multiply
    99,649,499.60x = 149,474,249.40 × 61,186,293.20
  4. Step 4: Simplify right side
    99,649,499.60x = 9,145,775,249,638,324
  5. Step 5: Solve for x
    x = 9,145,775,249,638,324/99,649,499.60
  6. Step 6: Final answer
    x = 91,779,439.80

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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.