Home / 313,517,341.52-432,015,870.84-242,521,641.80

Finding the Fourth Proportional to 313,517,341.52, 432,015,870.84 and 242,521,641.80

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Solution

The fourth proportional to 313,517,341.52, 432,015,870.84 and 242,521,641.80 is: 334,186,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,517,341.52 : 432,015,870.84 = 242,521,641.80 : x
  2. Step 2: Convert to fraction form
    313,517,341.52/432,015,870.84 = 242,521,641.80/x
  3. Step 3: Cross multiply
    313,517,341.52x = 432,015,870.84 × 242,521,641.80
  4. Step 4: Simplify right side
    313,517,341.52x = 104,773,198,279,773,536
  5. Step 5: Solve for x
    x = 104,773,198,279,773,536/313,517,341.52
  6. Step 6: Final answer
    x = 334,186,293.40

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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.