Home / 72,187,661.80-108,281,492.70-56,063,348.20

Finding the Fourth Proportional to 72,187,661.80, 108,281,492.70 and 56,063,348.20

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Solution

The fourth proportional to 72,187,661.80, 108,281,492.70 and 56,063,348.20 is: 84,095,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,187,661.80 : 108,281,492.70 = 56,063,348.20 : x
  2. Step 2: Convert to fraction form
    72,187,661.80/108,281,492.70 = 56,063,348.20/x
  3. Step 3: Cross multiply
    72,187,661.80x = 108,281,492.70 × 56,063,348.20
  4. Step 4: Simplify right side
    72,187,661.80x = 6,070,623,028,855,859
  5. Step 5: Solve for x
    x = 6,070,623,028,855,859/72,187,661.80
  6. Step 6: Final answer
    x = 84,095,022.30

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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.