Home / 144,073,746.23-198,821,726.42-77,994,196.11

Finding the Fourth Proportional to 144,073,746.23, 198,821,726.42 and 77,994,196.11

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Solution

The fourth proportional to 144,073,746.23, 198,821,726.42 and 77,994,196.11 is: 107,631,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,073,746.23 : 198,821,726.42 = 77,994,196.11 : x
  2. Step 2: Convert to fraction form
    144,073,746.23/198,821,726.42 = 77,994,196.11/x
  3. Step 3: Cross multiply
    144,073,746.23x = 198,821,726.42 × 77,994,196.11
  4. Step 4: Simplify right side
    144,073,746.23x = 15,506,940,720,940,276
  5. Step 5: Solve for x
    x = 15,506,940,720,940,276/144,073,746.23
  6. Step 6: Final answer
    x = 107,631,967.15

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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.