Home / 316,911,384.80-475,367,077.20-144,724,500.80

Finding the Fourth Proportional to 316,911,384.80, 475,367,077.20 and 144,724,500.80

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Solution

The fourth proportional to 316,911,384.80, 475,367,077.20 and 144,724,500.80 is: 217,086,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,911,384.80 : 475,367,077.20 = 144,724,500.80 : x
  2. Step 2: Convert to fraction form
    316,911,384.80/475,367,077.20 = 144,724,500.80/x
  3. Step 3: Cross multiply
    316,911,384.80x = 475,367,077.20 × 144,724,500.80
  4. Step 4: Simplify right side
    316,911,384.80x = 68,797,262,944,525,064
  5. Step 5: Solve for x
    x = 68,797,262,944,525,064/316,911,384.80
  6. Step 6: Final answer
    x = 217,086,751.20

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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.