Home / 136,807,147.21-205,168,278.85-49,357,295.86

Finding the Fourth Proportional to 136,807,147.21, 205,168,278.85 and 49,357,295.86

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Solution

The fourth proportional to 136,807,147.21, 205,168,278.85 and 49,357,295.86 is: 74,020,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,807,147.21 : 205,168,278.85 = 49,357,295.86 : x
  2. Step 2: Convert to fraction form
    136,807,147.21/205,168,278.85 = 49,357,295.86/x
  3. Step 3: Cross multiply
    136,807,147.21x = 205,168,278.85 × 49,357,295.86
  4. Step 4: Simplify right side
    136,807,147.21x = 10,126,551,439,666,162
  5. Step 5: Solve for x
    x = 10,126,551,439,666,162/136,807,147.21
  6. Step 6: Final answer
    x = 74,020,631.57

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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.