Home / 61,204,740.30-91,807,110.45-47,334,130.20

Finding the Fourth Proportional to 61,204,740.30, 91,807,110.45 and 47,334,130.20

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Solution

The fourth proportional to 61,204,740.30, 91,807,110.45 and 47,334,130.20 is: 71,001,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,204,740.30 : 91,807,110.45 = 47,334,130.20 : x
  2. Step 2: Convert to fraction form
    61,204,740.30/91,807,110.45 = 47,334,130.20/x
  3. Step 3: Cross multiply
    61,204,740.30x = 91,807,110.45 × 47,334,130.20
  4. Step 4: Simplify right side
    61,204,740.30x = 4,345,609,719,326,081
  5. Step 5: Solve for x
    x = 4,345,609,719,326,081/61,204,740.30
  6. Step 6: Final answer
    x = 71,001,195.30

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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.