Home / 121,702,176,053.40-182,553,264,080.10-99,644,115,048.60

Finding the Fourth Proportional to 121,702,176,053.40, 182,553,264,080.10 and 99,644,115,048.60

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Solution

The fourth proportional to 121,702,176,053.40, 182,553,264,080.10 and 99,644,115,048.60 is: 149,466,172,572.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,702,176,053.40 : 182,553,264,080.10 = 99,644,115,048.60 : x
  2. Step 2: Convert to fraction form
    121,702,176,053.40/182,553,264,080.10 = 99,644,115,048.60/x
  3. Step 3: Cross multiply
    121,702,176,053.40x = 182,553,264,080.10 × 99,644,115,048.60
  4. Step 4: Simplify right side
    121,702,176,053.40x = 18,190,358,448,494,943,928,320
  5. Step 5: Solve for x
    x = 18,190,358,448,494,943,928,320/121,702,176,053.40
  6. Step 6: Final answer
    x = 149,466,172,572.90

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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.