Home / 112,293,564.40-168,156,911.40-73,746,377.20

Finding the Fourth Proportional to 112,293,564.40, 168,156,911.40 and 73,746,377.20

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Solution

The fourth proportional to 112,293,564.40, 168,156,911.40 and 73,746,377.20 is: 110,433,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,293,564.40 : 168,156,911.40 = 73,746,377.20 : x
  2. Step 2: Convert to fraction form
    112,293,564.40/168,156,911.40 = 73,746,377.20/x
  3. Step 3: Cross multiply
    112,293,564.40x = 168,156,911.40 × 73,746,377.20
  4. Step 4: Simplify right side
    112,293,564.40x = 12,400,963,016,891,382
  5. Step 5: Solve for x
    x = 12,400,963,016,891,382/112,293,564.40
  6. Step 6: Final answer
    x = 110,433,425.84

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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.