Home / 255,619,934.10-383,429,901.15-214,805,265.30

Finding the Fourth Proportional to 255,619,934.10, 383,429,901.15 and 214,805,265.30

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Solution

The fourth proportional to 255,619,934.10, 383,429,901.15 and 214,805,265.30 is: 322,207,897.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,619,934.10 : 383,429,901.15 = 214,805,265.30 : x
  2. Step 2: Convert to fraction form
    255,619,934.10/383,429,901.15 = 214,805,265.30/x
  3. Step 3: Cross multiply
    255,619,934.10x = 383,429,901.15 × 214,805,265.30
  4. Step 4: Simplify right side
    255,619,934.10x = 82,362,761,640,478,528
  5. Step 5: Solve for x
    x = 82,362,761,640,478,528/255,619,934.10
  6. Step 6: Final answer
    x = 322,207,897.95

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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.