Home / 100,597,400.70-150,896,101.05-91,031,462.70

Finding the Fourth Proportional to 100,597,400.70, 150,896,101.05 and 91,031,462.70

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Solution

The fourth proportional to 100,597,400.70, 150,896,101.05 and 91,031,462.70 is: 136,547,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,597,400.70 : 150,896,101.05 = 91,031,462.70 : x
  2. Step 2: Convert to fraction form
    100,597,400.70/150,896,101.05 = 91,031,462.70/x
  3. Step 3: Cross multiply
    100,597,400.70x = 150,896,101.05 × 91,031,462.70
  4. Step 4: Simplify right side
    100,597,400.70x = 13,736,292,794,308,508
  5. Step 5: Solve for x
    x = 13,736,292,794,308,508/100,597,400.70
  6. Step 6: Final answer
    x = 136,547,194.05

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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.