Home / 280,272,582.46-386,779,409.94-154,822,179.52

Finding the Fourth Proportional to 280,272,582.46, 386,779,409.94 and 154,822,179.52

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Solution

The fourth proportional to 280,272,582.46, 386,779,409.94 and 154,822,179.52 is: 213,656,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,272,582.46 : 386,779,409.94 = 154,822,179.52 : x
  2. Step 2: Convert to fraction form
    280,272,582.46/386,779,409.94 = 154,822,179.52/x
  3. Step 3: Cross multiply
    280,272,582.46x = 386,779,409.94 × 154,822,179.52
  4. Step 4: Simplify right side
    280,272,582.46x = 59,882,031,240,370,360
  5. Step 5: Solve for x
    x = 59,882,031,240,370,360/280,272,582.46
  6. Step 6: Final answer
    x = 213,656,400.90

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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.