Home / 117,448,053.40-176,172,080.10-81,168,347.80

Finding the Fourth Proportional to 117,448,053.40, 176,172,080.10 and 81,168,347.80

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Solution

The fourth proportional to 117,448,053.40, 176,172,080.10 and 81,168,347.80 is: 121,752,521.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,448,053.40 : 176,172,080.10 = 81,168,347.80 : x
  2. Step 2: Convert to fraction form
    117,448,053.40/176,172,080.10 = 81,168,347.80/x
  3. Step 3: Cross multiply
    117,448,053.40x = 176,172,080.10 × 81,168,347.80
  4. Step 4: Simplify right side
    117,448,053.40x = 14,299,596,670,206,258
  5. Step 5: Solve for x
    x = 14,299,596,670,206,258/117,448,053.40
  6. Step 6: Final answer
    x = 121,752,521.70

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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.