Home / 144,006,117.20-198,729,643.32-84,502,993.94

Finding the Fourth Proportional to 144,006,117.20, 198,729,643.32 and 84,502,993.94

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Solution

The fourth proportional to 144,006,117.20, 198,729,643.32 and 84,502,993.94 is: 116,614,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,006,117.20 : 198,729,643.32 = 84,502,993.94 : x
  2. Step 2: Convert to fraction form
    144,006,117.20/198,729,643.32 = 84,502,993.94/x
  3. Step 3: Cross multiply
    144,006,117.20x = 198,729,643.32 × 84,502,993.94
  4. Step 4: Simplify right side
    144,006,117.20x = 16,793,249,845,168,320
  5. Step 5: Solve for x
    x = 16,793,249,845,168,320/144,006,117.20
  6. Step 6: Final answer
    x = 116,614,836.73

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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.