Home / 144,194,114.80-216,459,133.80-86,751,247.60

Finding the Fourth Proportional to 144,194,114.80, 216,459,133.80 and 86,751,247.60

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Solution

The fourth proportional to 144,194,114.80, 216,459,133.80 and 86,751,247.60 is: 130,227,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,194,114.80 : 216,459,133.80 = 86,751,247.60 : x
  2. Step 2: Convert to fraction form
    144,194,114.80/216,459,133.80 = 86,751,247.60/x
  3. Step 3: Cross multiply
    144,194,114.80x = 216,459,133.80 × 86,751,247.60
  4. Step 4: Simplify right side
    144,194,114.80x = 18,778,099,911,565,328
  5. Step 5: Solve for x
    x = 18,778,099,911,565,328/144,194,114.80
  6. Step 6: Final answer
    x = 130,227,921.84

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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.