Home / 61,245,123.60-91,867,685.40-38,570,307.60

Finding the Fourth Proportional to 61,245,123.60, 91,867,685.40 and 38,570,307.60

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Solution

The fourth proportional to 61,245,123.60, 91,867,685.40 and 38,570,307.60 is: 57,855,461.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,245,123.60 : 91,867,685.40 = 38,570,307.60 : x
  2. Step 2: Convert to fraction form
    61,245,123.60/91,867,685.40 = 38,570,307.60/x
  3. Step 3: Cross multiply
    61,245,123.60x = 91,867,685.40 × 38,570,307.60
  4. Step 4: Simplify right side
    61,245,123.60x = 3,543,364,884,378,029.50
  5. Step 5: Solve for x
    x = 3,543,364,884,378,029.50/61,245,123.60
  6. Step 6: Final answer
    x = 57,855,461.40

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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.