Home / 77,004,000.40-115,506,000.60-61,887,456.40

Finding the Fourth Proportional to 77,004,000.40, 115,506,000.60 and 61,887,456.40

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Solution

The fourth proportional to 77,004,000.40, 115,506,000.60 and 61,887,456.40 is: 92,831,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,004,000.40 : 115,506,000.60 = 61,887,456.40 : x
  2. Step 2: Convert to fraction form
    77,004,000.40/115,506,000.60 = 61,887,456.40/x
  3. Step 3: Cross multiply
    77,004,000.40x = 115,506,000.60 × 61,887,456.40
  4. Step 4: Simplify right side
    77,004,000.40x = 7,148,372,576,070,873
  5. Step 5: Solve for x
    x = 7,148,372,576,070,873/77,004,000.40
  6. Step 6: Final answer
    x = 92,831,184.60

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1.5x scale

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.