Home / 90,709,103.30-125,174,956.50-53,551,352.74

Finding the Fourth Proportional to 90,709,103.30, 125,174,956.50 and 53,551,352.74

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Solution

The fourth proportional to 90,709,103.30, 125,174,956.50 and 53,551,352.74 is: 73,898,737.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,709,103.30 : 125,174,956.50 = 53,551,352.74 : x
  2. Step 2: Convert to fraction form
    90,709,103.30/125,174,956.50 = 53,551,352.74/x
  3. Step 3: Cross multiply
    90,709,103.30x = 125,174,956.50 × 53,551,352.74
  4. Step 4: Simplify right side
    90,709,103.30x = 6,703,288,249,745,656
  5. Step 5: Solve for x
    x = 6,703,288,249,745,656/90,709,103.30
  6. Step 6: Final answer
    x = 73,898,737.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.