Home / 73,814,602.40-110,721,903.60-68,439,831.20

Finding the Fourth Proportional to 73,814,602.40, 110,721,903.60 and 68,439,831.20

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Solution

The fourth proportional to 73,814,602.40, 110,721,903.60 and 68,439,831.20 is: 102,659,746.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814,602.40 : 110,721,903.60 = 68,439,831.20 : x
  2. Step 2: Convert to fraction form
    73,814,602.40/110,721,903.60 = 68,439,831.20/x
  3. Step 3: Cross multiply
    73,814,602.40x = 110,721,903.60 × 68,439,831.20
  4. Step 4: Simplify right side
    73,814,602.40x = 7,577,788,392,526,672
  5. Step 5: Solve for x
    x = 7,577,788,392,526,672/73,814,602.40
  6. Step 6: Final answer
    x = 102,659,746.80

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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.