Home / 61,245,189.40-91,867,784.10-54,549,032.80

Finding the Fourth Proportional to 61,245,189.40, 91,867,784.10 and 54,549,032.80

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Solution

The fourth proportional to 61,245,189.40, 91,867,784.10 and 54,549,032.80 is: 81,823,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,189.40 : 91,867,784.10 = 54,549,032.80 : x
  2. Step 2: Convert to fraction form
    61,245,189.40/91,867,784.10 = 54,549,032.80/x
  3. Step 3: Cross multiply
    61,245,189.40x = 91,867,784.10 × 54,549,032.80
  4. Step 4: Simplify right side
    61,245,189.40x = 5,011,298,768,134,218
  5. Step 5: Solve for x
    x = 5,011,298,768,134,218/61,245,189.40
  6. Step 6: Final answer
    x = 81,823,549.20

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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.