Home / 84,745,000.70-127,117,501.05-65,613,124.70

Finding the Fourth Proportional to 84,745,000.70, 127,117,501.05 and 65,613,124.70

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Solution

The fourth proportional to 84,745,000.70, 127,117,501.05 and 65,613,124.70 is: 98,419,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745,000.70 : 127,117,501.05 = 65,613,124.70 : x
  2. Step 2: Convert to fraction form
    84,745,000.70/127,117,501.05 = 65,613,124.70/x
  3. Step 3: Cross multiply
    84,745,000.70x = 127,117,501.05 × 65,613,124.70
  4. Step 4: Simplify right side
    84,745,000.70x = 8,340,576,447,946,031
  5. Step 5: Solve for x
    x = 8,340,576,447,946,031/84,745,000.70
  6. Step 6: Final answer
    x = 98,419,687.05

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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.