Home / 76,656,139.60-114,984,209.40-61,539,595.60

Finding the Fourth Proportional to 76,656,139.60, 114,984,209.40 and 61,539,595.60

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Solution

The fourth proportional to 76,656,139.60, 114,984,209.40 and 61,539,595.60 is: 92,309,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,656,139.60 : 114,984,209.40 = 61,539,595.60 : x
  2. Step 2: Convert to fraction form
    76,656,139.60/114,984,209.40 = 61,539,595.60/x
  3. Step 3: Cross multiply
    76,656,139.60x = 114,984,209.40 × 61,539,595.60
  4. Step 4: Simplify right side
    76,656,139.60x = 7,076,081,746,861,719
  5. Step 5: Solve for x
    x = 7,076,081,746,861,719/76,656,139.60
  6. Step 6: Final answer
    x = 92,309,393.40

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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.