Home / 70,495,145.52-105,669,973.56-29,578,343.76

Finding the Fourth Proportional to 70,495,145.52, 105,669,973.56 and 29,578,343.76

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Solution

The fourth proportional to 70,495,145.52, 105,669,973.56 and 29,578,343.76 is: 44,336,993.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,495,145.52 : 105,669,973.56 = 29,578,343.76 : x
  2. Step 2: Convert to fraction form
    70,495,145.52/105,669,973.56 = 29,578,343.76/x
  3. Step 3: Cross multiply
    70,495,145.52x = 105,669,973.56 × 29,578,343.76
  4. Step 4: Simplify right side
    70,495,145.52x = 3,125,542,803,067,791
  5. Step 5: Solve for x
    x = 3,125,542,803,067,791/70,495,145.52
  6. Step 6: Final answer
    x = 44,336,993.42

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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.