Home / 208,041,779.79-287,096,939.46-119,935,357.38

Finding the Fourth Proportional to 208,041,779.79, 287,096,939.46 and 119,935,357.38

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Solution

The fourth proportional to 208,041,779.79, 287,096,939.46 and 119,935,357.38 is: 165,510,380.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,041,779.79 : 287,096,939.46 = 119,935,357.38 : x
  2. Step 2: Convert to fraction form
    208,041,779.79/287,096,939.46 = 119,935,357.38/x
  3. Step 3: Cross multiply
    208,041,779.79x = 287,096,939.46 × 119,935,357.38
  4. Step 4: Simplify right side
    208,041,779.79x = 34,433,074,036,839,320
  5. Step 5: Solve for x
    x = 34,433,074,036,839,320/208,041,779.79
  6. Step 6: Final answer
    x = 165,510,380.04

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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.