Home / 85,208,535.80-127,812,803.70-57,998,756.60

Finding the Fourth Proportional to 85,208,535.80, 127,812,803.70 and 57,998,756.60

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Solution

The fourth proportional to 85,208,535.80, 127,812,803.70 and 57,998,756.60 is: 86,998,134.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,208,535.80 : 127,812,803.70 = 57,998,756.60 : x
  2. Step 2: Convert to fraction form
    85,208,535.80/127,812,803.70 = 57,998,756.60/x
  3. Step 3: Cross multiply
    85,208,535.80x = 127,812,803.70 × 57,998,756.60
  4. Step 4: Simplify right side
    85,208,535.80x = 7,412,983,692,159,880
  5. Step 5: Solve for x
    x = 7,412,983,692,159,880/85,208,535.80
  6. Step 6: Final answer
    x = 86,998,134.90

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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.