Home / 52,158,007.44-71,985,535.32-31,250,865.76

Finding the Fourth Proportional to 52,158,007.44, 71,985,535.32 and 31,250,865.76

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Solution

The fourth proportional to 52,158,007.44, 71,985,535.32 and 31,250,865.76 is: 43,130,679.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,158,007.44 : 71,985,535.32 = 31,250,865.76 : x
  2. Step 2: Convert to fraction form
    52,158,007.44/71,985,535.32 = 31,250,865.76/x
  3. Step 3: Cross multiply
    52,158,007.44x = 71,985,535.32 × 31,250,865.76
  4. Step 4: Simplify right side
    52,158,007.44x = 2,249,610,300,947,058.50
  5. Step 5: Solve for x
    x = 2,249,610,300,947,058.50/52,158,007.44
  6. Step 6: Final answer
    x = 43,130,679.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.