Home / 99,649,503.60-149,474,255.40-61,186,297.20

Finding the Fourth Proportional to 99,649,503.60, 149,474,255.40 and 61,186,297.20

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Solution

The fourth proportional to 99,649,503.60, 149,474,255.40 and 61,186,297.20 is: 91,779,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,649,503.60 : 149,474,255.40 = 61,186,297.20 : x
  2. Step 2: Convert to fraction form
    99,649,503.60/149,474,255.40 = 61,186,297.20/x
  3. Step 3: Cross multiply
    99,649,503.60x = 149,474,255.40 × 61,186,297.20
  4. Step 4: Simplify right side
    99,649,503.60x = 9,145,776,214,653,106
  5. Step 5: Solve for x
    x = 9,145,776,214,653,106/99,649,503.60
  6. Step 6: Final answer
    x = 91,779,445.80

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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.