Home / 115,558,223,194.80-158,904,851,095.13-100,289,807,360.49

Finding the Fourth Proportional to 115,558,223,194.80, 158,904,851,095.13 and 100,289,807,360.49

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Solution

The fourth proportional to 115,558,223,194.80, 158,904,851,095.13 and 100,289,807,360.49 is: 137,909,154,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,558,223,194.80 : 158,904,851,095.13 = 100,289,807,360.49 : x
  2. Step 2: Convert to fraction form
    115,558,223,194.80/158,904,851,095.13 = 100,289,807,360.49/x
  3. Step 3: Cross multiply
    115,558,223,194.80x = 158,904,851,095.13 × 100,289,807,360.49
  4. Step 4: Simplify right side
    115,558,223,194.80x = 15,936,536,904,977,937,858,560
  5. Step 5: Solve for x
    x = 15,936,536,904,977,937,858,560/115,558,223,194.80
  6. Step 6: Final answer
    x = 137,909,154,921.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.