Home / 310,473,348.20-465,710,022.30-92,157,385.40

Finding the Fourth Proportional to 310,473,348.20, 465,710,022.30 and 92,157,385.40

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Solution

The fourth proportional to 310,473,348.20, 465,710,022.30 and 92,157,385.40 is: 138,236,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,473,348.20 : 465,710,022.30 = 92,157,385.40 : x
  2. Step 2: Convert to fraction form
    310,473,348.20/465,710,022.30 = 92,157,385.40/x
  3. Step 3: Cross multiply
    310,473,348.20x = 465,710,022.30 × 92,157,385.40
  4. Step 4: Simplify right side
    310,473,348.20x = 42,918,618,009,743,696
  5. Step 5: Solve for x
    x = 42,918,618,009,743,696/310,473,348.20
  6. Step 6: Final answer
    x = 138,236,078.10

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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.