Home / 272,573,853.30-408,860,779.95-126,959,019.30

Finding the Fourth Proportional to 272,573,853.30, 408,860,779.95 and 126,959,019.30

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Solution

The fourth proportional to 272,573,853.30, 408,860,779.95 and 126,959,019.30 is: 190,438,528.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,573,853.30 : 408,860,779.95 = 126,959,019.30 : x
  2. Step 2: Convert to fraction form
    272,573,853.30/408,860,779.95 = 126,959,019.30/x
  3. Step 3: Cross multiply
    272,573,853.30x = 408,860,779.95 × 126,959,019.30
  4. Step 4: Simplify right side
    272,573,853.30x = 51,908,563,652,685,104
  5. Step 5: Solve for x
    x = 51,908,563,652,685,104/272,573,853.30
  6. Step 6: Final answer
    x = 190,438,528.95

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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.