Home / 57,183,451.40-78,913,772.34-31,077,970.58

Finding the Fourth Proportional to 57,183,451.40, 78,913,772.34 and 31,077,970.58

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Solution

The fourth proportional to 57,183,451.40, 78,913,772.34 and 31,077,970.58 is: 42,887,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,183,451.40 : 78,913,772.34 = 31,077,970.58 : x
  2. Step 2: Convert to fraction form
    57,183,451.40/78,913,772.34 = 31,077,970.58/x
  3. Step 3: Cross multiply
    57,183,451.40x = 78,913,772.34 × 31,077,970.58
  4. Step 4: Simplify right side
    57,183,451.40x = 2,452,479,895,139,337.50
  5. Step 5: Solve for x
    x = 2,452,479,895,139,337.50/57,183,451.40
  6. Step 6: Final answer
    x = 42,887,930.60

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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.