Home / 64,513,368,672.80-96,770,053,009.20-20,351,897,031.20

Finding the Fourth Proportional to 64,513,368,672.80, 96,770,053,009.20 and 20,351,897,031.20

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Solution

The fourth proportional to 64,513,368,672.80, 96,770,053,009.20 and 20,351,897,031.20 is: 30,527,845,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,513,368,672.80 : 96,770,053,009.20 = 20,351,897,031.20 : x
  2. Step 2: Convert to fraction form
    64,513,368,672.80/96,770,053,009.20 = 20,351,897,031.20/x
  3. Step 3: Cross multiply
    64,513,368,672.80x = 96,770,053,009.20 × 20,351,897,031.20
  4. Step 4: Simplify right side
    64,513,368,672.80x = 1,969,454,154,547,004,178,432
  5. Step 5: Solve for x
    x = 1,969,454,154,547,004,178,432/64,513,368,672.80
  6. Step 6: Final answer
    x = 30,527,845,546.80

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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.