Home / 53,155,145.40-79,732,718.10-30,196,894.20

Finding the Fourth Proportional to 53,155,145.40, 79,732,718.10 and 30,196,894.20

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Solution

The fourth proportional to 53,155,145.40, 79,732,718.10 and 30,196,894.20 is: 45,295,341.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,155,145.40 : 79,732,718.10 = 30,196,894.20 : x
  2. Step 2: Convert to fraction form
    53,155,145.40/79,732,718.10 = 30,196,894.20/x
  3. Step 3: Cross multiply
    53,155,145.40x = 79,732,718.10 × 30,196,894.20
  4. Step 4: Simplify right side
    53,155,145.40x = 2,407,680,452,744,125
  5. Step 5: Solve for x
    x = 2,407,680,452,744,125/53,155,145.40
  6. Step 6: Final answer
    x = 45,295,341.30

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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.