Home / 20,781,077,128.54-31,168,466,134.99-5,655,825,162.11

Finding the Fourth Proportional to 20,781,077,128.54, 31,168,466,134.99 and 5,655,825,162.11

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Solution

The fourth proportional to 20,781,077,128.54, 31,168,466,134.99 and 5,655,825,162.11 is: 8,482,880,552.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,781,077,128.54 : 31,168,466,134.99 = 5,655,825,162.11 : x
  2. Step 2: Convert to fraction form
    20,781,077,128.54/31,168,466,134.99 = 5,655,825,162.11/x
  3. Step 3: Cross multiply
    20,781,077,128.54x = 31,168,466,134.99 × 5,655,825,162.11
  4. Step 4: Simplify right side
    20,781,077,128.54x = 176,283,395,030,719,594,496
  5. Step 5: Solve for x
    x = 176,283,395,030,719,594,496/20,781,077,128.54
  6. Step 6: Final answer
    x = 8,482,880,552.36

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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.