Home / 85,056,139.60-127,584,209.40-50,959,934.80

Finding the Fourth Proportional to 85,056,139.60, 127,584,209.40 and 50,959,934.80

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Solution

The fourth proportional to 85,056,139.60, 127,584,209.40 and 50,959,934.80 is: 76,439,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,056,139.60 : 127,584,209.40 = 50,959,934.80 : x
  2. Step 2: Convert to fraction form
    85,056,139.60/127,584,209.40 = 50,959,934.80/x
  3. Step 3: Cross multiply
    85,056,139.60x = 127,584,209.40 × 50,959,934.80
  4. Step 4: Simplify right side
    85,056,139.60x = 6,501,682,992,533,547
  5. Step 5: Solve for x
    x = 6,501,682,992,533,547/85,056,139.60
  6. Step 6: Final answer
    x = 76,439,902.20

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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.