Home / 144,126,117.15-198,908,266.73-82,255,712.19

Finding the Fourth Proportional to 144,126,117.15, 198,908,266.73 and 82,255,712.19

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Solution

The fourth proportional to 144,126,117.15, 198,908,266.73 and 82,255,712.19 is: 113,521,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,126,117.15 : 198,908,266.73 = 82,255,712.19 : x
  2. Step 2: Convert to fraction form
    144,126,117.15/198,908,266.73 = 82,255,712.19/x
  3. Step 3: Cross multiply
    144,126,117.15x = 198,908,266.73 × 82,255,712.19
  4. Step 4: Simplify right side
    144,126,117.15x = 16,361,341,139,943,352
  5. Step 5: Solve for x
    x = 16,361,341,139,943,352/144,126,117.15
  6. Step 6: Final answer
    x = 113,521,001.35

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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.