Home / 144,010,619.01-198,734,654.46-77,931,117.25

Finding the Fourth Proportional to 144,010,619.01, 198,734,654.46 and 77,931,117.25

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Solution

The fourth proportional to 144,010,619.01, 198,734,654.46 and 77,931,117.25 is: 107,544,941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,010,619.01 : 198,734,654.46 = 77,931,117.25 : x
  2. Step 2: Convert to fraction form
    144,010,619.01/198,734,654.46 = 77,931,117.25/x
  3. Step 3: Cross multiply
    144,010,619.01x = 198,734,654.46 × 77,931,117.25
  4. Step 4: Simplify right side
    144,010,619.01x = 15,487,613,657,404,606
  5. Step 5: Solve for x
    x = 15,487,613,657,404,606/144,010,619.01
  6. Step 6: Final answer
    x = 107,544,941.92

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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.