Home / 213,617,436.30-320,426,154.45-132,995,868.30

Finding the Fourth Proportional to 213,617,436.30, 320,426,154.45 and 132,995,868.30

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Solution

The fourth proportional to 213,617,436.30, 320,426,154.45 and 132,995,868.30 is: 199,493,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,617,436.30 : 320,426,154.45 = 132,995,868.30 : x
  2. Step 2: Convert to fraction form
    213,617,436.30/320,426,154.45 = 132,995,868.30/x
  3. Step 3: Cross multiply
    213,617,436.30x = 320,426,154.45 × 132,995,868.30
  4. Step 4: Simplify right side
    213,617,436.30x = 42,615,354,637,107,656
  5. Step 5: Solve for x
    x = 42,615,354,637,107,656/213,617,436.30
  6. Step 6: Final answer
    x = 199,493,802.45

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Double scale
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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.