Home / 104,976,078.20-157,464,117.30-74,071,143.80

Finding the Fourth Proportional to 104,976,078.20, 157,464,117.30 and 74,071,143.80

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Solution

The fourth proportional to 104,976,078.20, 157,464,117.30 and 74,071,143.80 is: 111,106,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,078.20 : 157,464,117.30 = 74,071,143.80 : x
  2. Step 2: Convert to fraction form
    104,976,078.20/157,464,117.30 = 74,071,143.80/x
  3. Step 3: Cross multiply
    104,976,078.20x = 157,464,117.30 × 74,071,143.80
  4. Step 4: Simplify right side
    104,976,078.20x = 11,663,547,275,868,368
  5. Step 5: Solve for x
    x = 11,663,547,275,868,368/104,976,078.20
  6. Step 6: Final answer
    x = 111,106,715.70

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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.