Home / 282,891,689.60-423,487,228.80-167,816,998.40

Finding the Fourth Proportional to 282,891,689.60, 423,487,228.80 and 167,816,998.40

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Solution

The fourth proportional to 282,891,689.60, 423,487,228.80 and 167,816,998.40 is: 251,221,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,891,689.60 : 423,487,228.80 = 167,816,998.40 : x
  2. Step 2: Convert to fraction form
    282,891,689.60/423,487,228.80 = 167,816,998.40/x
  3. Step 3: Cross multiply
    282,891,689.60x = 423,487,228.80 × 167,816,998.40
  4. Step 4: Simplify right side
    282,891,689.60x = 71,068,355,597,950,040
  5. Step 5: Solve for x
    x = 71,068,355,597,950,040/282,891,689.60
  6. Step 6: Final answer
    x = 251,221,079.34

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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.