Home / 57,478,807.60-86,218,211.40-51,810,103.60

Finding the Fourth Proportional to 57,478,807.60, 86,218,211.40 and 51,810,103.60

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Solution

The fourth proportional to 57,478,807.60, 86,218,211.40 and 51,810,103.60 is: 77,715,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,478,807.60 : 86,218,211.40 = 51,810,103.60 : x
  2. Step 2: Convert to fraction form
    57,478,807.60/86,218,211.40 = 51,810,103.60/x
  3. Step 3: Cross multiply
    57,478,807.60x = 86,218,211.40 × 51,810,103.60
  4. Step 4: Simplify right side
    57,478,807.60x = 4,466,974,464,840,701.50
  5. Step 5: Solve for x
    x = 4,466,974,464,840,701.50/57,478,807.60
  6. Step 6: Final answer
    x = 77,715,155.40

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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.