Home / 272,045,641.20-408,068,461.80-261,464,060.40

Finding the Fourth Proportional to 272,045,641.20, 408,068,461.80 and 261,464,060.40

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Solution

The fourth proportional to 272,045,641.20, 408,068,461.80 and 261,464,060.40 is: 392,196,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,045,641.20 : 408,068,461.80 = 261,464,060.40 : x
  2. Step 2: Convert to fraction form
    272,045,641.20/408,068,461.80 = 261,464,060.40/x
  3. Step 3: Cross multiply
    272,045,641.20x = 408,068,461.80 × 261,464,060.40
  4. Step 4: Simplify right side
    272,045,641.20x = 106,695,236,943,410,304
  5. Step 5: Solve for x
    x = 106,695,236,943,410,304/272,045,641.20
  6. Step 6: Final answer
    x = 392,196,090.60

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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.