Home / 85,912,161.40-118,583,765.72-56,147,287.04

Finding the Fourth Proportional to 85,912,161.40, 118,583,765.72 and 56,147,287.04

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Solution

The fourth proportional to 85,912,161.40, 118,583,765.72 and 56,147,287.04 is: 77,499,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,912,161.40 : 118,583,765.72 = 56,147,287.04 : x
  2. Step 2: Convert to fraction form
    85,912,161.40/118,583,765.72 = 56,147,287.04/x
  3. Step 3: Cross multiply
    85,912,161.40x = 118,583,765.72 × 56,147,287.04
  4. Step 4: Simplify right side
    85,912,161.40x = 6,658,156,732,164,952
  5. Step 5: Solve for x
    x = 6,658,156,732,164,952/85,912,161.40
  6. Step 6: Final answer
    x = 77,499,583.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.