Home / 434,629,326.80-651,720,041.40-161,859,688.40

Finding the Fourth Proportional to 434,629,326.80, 651,720,041.40 and 161,859,688.40

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Solution

The fourth proportional to 434,629,326.80, 651,720,041.40 and 161,859,688.40 is: 242,706,132.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,629,326.80 : 651,720,041.40 = 161,859,688.40 : x
  2. Step 2: Convert to fraction form
    434,629,326.80/651,720,041.40 = 161,859,688.40/x
  3. Step 3: Cross multiply
    434,629,326.80x = 651,720,041.40 × 161,859,688.40
  4. Step 4: Simplify right side
    434,629,326.80x = 105,487,202,825,039,104
  5. Step 5: Solve for x
    x = 105,487,202,825,039,104/434,629,326.80
  6. Step 6: Final answer
    x = 242,706,132.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.