Home / 76,656,125.60-114,984,188.40-61,539,581.60

Finding the Fourth Proportional to 76,656,125.60, 114,984,188.40 and 61,539,581.60

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Solution

The fourth proportional to 76,656,125.60, 114,984,188.40 and 61,539,581.60 is: 92,309,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,656,125.60 : 114,984,188.40 = 61,539,581.60 : x
  2. Step 2: Convert to fraction form
    76,656,125.60/114,984,188.40 = 61,539,581.60/x
  3. Step 3: Cross multiply
    76,656,125.60x = 114,984,188.40 × 61,539,581.60
  4. Step 4: Simplify right side
    76,656,125.60x = 7,076,078,844,751,574
  5. Step 5: Solve for x
    x = 7,076,078,844,751,574/76,656,125.60
  6. Step 6: Final answer
    x = 92,309,372.40

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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.