Home / 81,151,764.16-121,746,309-26,566,110.40

Finding the Fourth Proportional to 81,151,764.16, 121,746,309 and 26,566,110.40

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Solution

The fourth proportional to 81,151,764.16, 121,746,309 and 26,566,110.40 is: 39,855,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,151,764.16 : 121,746,309 = 26,566,110.40 : x
  2. Step 2: Convert to fraction form
    81,151,764.16/121,746,309 = 26,566,110.40/x
  3. Step 3: Cross multiply
    81,151,764.16x = 121,746,309 × 26,566,110.40
  4. Step 4: Simplify right side
    81,151,764.16x = 3,234,325,885,686,513.50
  5. Step 5: Solve for x
    x = 3,234,325,885,686,513.50/81,151,764.16
  6. Step 6: Final answer
    x = 39,855,275.10

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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.