Home / 140,186,985.60-210,280,478.40-49,298,764.80

Finding the Fourth Proportional to 140,186,985.60, 210,280,478.40 and 49,298,764.80

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Solution

The fourth proportional to 140,186,985.60, 210,280,478.40 and 49,298,764.80 is: 73,948,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,186,985.60 : 210,280,478.40 = 49,298,764.80 : x
  2. Step 2: Convert to fraction form
    140,186,985.60/210,280,478.40 = 49,298,764.80/x
  3. Step 3: Cross multiply
    140,186,985.60x = 210,280,478.40 × 49,298,764.80
  4. Step 4: Simplify right side
    140,186,985.60x = 10,366,567,846,673,080
  5. Step 5: Solve for x
    x = 10,366,567,846,673,080/140,186,985.60
  6. Step 6: Final answer
    x = 73,948,147.20

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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.