Home / 84,745,111.20-127,117,666.80-65,613,235.20

Finding the Fourth Proportional to 84,745,111.20, 127,117,666.80 and 65,613,235.20

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Solution

The fourth proportional to 84,745,111.20, 127,117,666.80 and 65,613,235.20 is: 98,419,852.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,745,111.20 : 127,117,666.80 = 65,613,235.20 : x
  2. Step 2: Convert to fraction form
    84,745,111.20/127,117,666.80 = 65,613,235.20/x
  3. Step 3: Cross multiply
    84,745,111.20x = 127,117,666.80 × 65,613,235.20
  4. Step 4: Simplify right side
    84,745,111.20x = 8,340,601,369,823,632
  5. Step 5: Solve for x
    x = 8,340,601,369,823,632/84,745,111.20
  6. Step 6: Final answer
    x = 98,419,852.80

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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.