Home / 72,434,931.05-108,681,430.37-26,380,007.93

Finding the Fourth Proportional to 72,434,931.05, 108,681,430.37 and 26,380,007.93

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Solution

The fourth proportional to 72,434,931.05, 108,681,430.37 and 26,380,007.93 is: 39,580,585.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,434,931.05 : 108,681,430.37 = 26,380,007.93 : x
  2. Step 2: Convert to fraction form
    72,434,931.05/108,681,430.37 = 26,380,007.93/x
  3. Step 3: Cross multiply
    72,434,931.05x = 108,681,430.37 × 26,380,007.93
  4. Step 4: Simplify right side
    72,434,931.05x = 2,867,016,994,329,035.50
  5. Step 5: Solve for x
    x = 2,867,016,994,329,035.50/72,434,931.05
  6. Step 6: Final answer
    x = 39,580,585.68

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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.