Home / 485,095,425.60-727,643,138.40-140,060,308.80

Finding the Fourth Proportional to 485,095,425.60, 727,643,138.40 and 140,060,308.80

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Solution

The fourth proportional to 485,095,425.60, 727,643,138.40 and 140,060,308.80 is: 210,090,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,095,425.60 : 727,643,138.40 = 140,060,308.80 : x
  2. Step 2: Convert to fraction form
    485,095,425.60/727,643,138.40 = 140,060,308.80/x
  3. Step 3: Cross multiply
    485,095,425.60x = 727,643,138.40 × 140,060,308.80
  4. Step 4: Simplify right side
    485,095,425.60x = 101,913,922,660,505,136
  5. Step 5: Solve for x
    x = 101,913,922,660,505,136/485,095,425.60
  6. Step 6: Final answer
    x = 210,090,463.20

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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.