Home / 56,680,069.60-85,020,104.40-18,345,458.80

Finding the Fourth Proportional to 56,680,069.60, 85,020,104.40 and 18,345,458.80

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Solution

The fourth proportional to 56,680,069.60, 85,020,104.40 and 18,345,458.80 is: 27,518,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,680,069.60 : 85,020,104.40 = 18,345,458.80 : x
  2. Step 2: Convert to fraction form
    56,680,069.60/85,020,104.40 = 18,345,458.80/x
  3. Step 3: Cross multiply
    56,680,069.60x = 85,020,104.40 × 18,345,458.80
  4. Step 4: Simplify right side
    56,680,069.60x = 1,559,732,822,441,899
  5. Step 5: Solve for x
    x = 1,559,732,822,441,899/56,680,069.60
  6. Step 6: Final answer
    x = 27,518,188.20

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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.