Home / 56,942,582.10-78,580,352.55-30,836,494.32

Finding the Fourth Proportional to 56,942,582.10, 78,580,352.55 and 30,836,494.32

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Solution

The fourth proportional to 56,942,582.10, 78,580,352.55 and 30,836,494.32 is: 42,554,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,942,582.10 : 78,580,352.55 = 30,836,494.32 : x
  2. Step 2: Convert to fraction form
    56,942,582.10/78,580,352.55 = 30,836,494.32/x
  3. Step 3: Cross multiply
    56,942,582.10x = 78,580,352.55 × 30,836,494.32
  4. Step 4: Simplify right side
    56,942,582.10x = 2,423,142,595,071,672.50
  5. Step 5: Solve for x
    x = 2,423,142,595,071,672.50/56,942,582.10
  6. Step 6: Final answer
    x = 42,554,139.73

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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.