Home / 220,890,264.48-304,829,488.80-121,768,836.48

Finding the Fourth Proportional to 220,890,264.48, 304,829,488.80 and 121,768,836.48

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Solution

The fourth proportional to 220,890,264.48, 304,829,488.80 and 121,768,836.48 is: 168,041,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,890,264.48 : 304,829,488.80 = 121,768,836.48 : x
  2. Step 2: Convert to fraction form
    220,890,264.48/304,829,488.80 = 121,768,836.48/x
  3. Step 3: Cross multiply
    220,890,264.48x = 304,829,488.80 × 121,768,836.48
  4. Step 4: Simplify right side
    220,890,264.48x = 37,118,732,175,969,192
  5. Step 5: Solve for x
    x = 37,118,732,175,969,192/220,890,264.48
  6. Step 6: Final answer
    x = 168,041,503.61

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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.