Home / 70,778,290.73-106,031,420.28-43,404,761.66

Finding the Fourth Proportional to 70,778,290.73, 106,031,420.28 and 43,404,761.66

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Solution

The fourth proportional to 70,778,290.73, 106,031,420.28 and 43,404,761.66 is: 65,023,730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,778,290.73 : 106,031,420.28 = 43,404,761.66 : x
  2. Step 2: Convert to fraction form
    70,778,290.73/106,031,420.28 = 43,404,761.66/x
  3. Step 3: Cross multiply
    70,778,290.73x = 106,031,420.28 × 43,404,761.66
  4. Step 4: Simplify right side
    70,778,290.73x = 4,602,268,525,194,534
  5. Step 5: Solve for x
    x = 4,602,268,525,194,534/70,778,290.73
  6. Step 6: Final answer
    x = 65,023,730.84

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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.