Home / 125,495,578.40-188,243,367.60-57,471,130.40

Finding the Fourth Proportional to 125,495,578.40, 188,243,367.60 and 57,471,130.40

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Solution

The fourth proportional to 125,495,578.40, 188,243,367.60 and 57,471,130.40 is: 86,206,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,495,578.40 : 188,243,367.60 = 57,471,130.40 : x
  2. Step 2: Convert to fraction form
    125,495,578.40/188,243,367.60 = 57,471,130.40/x
  3. Step 3: Cross multiply
    125,495,578.40x = 188,243,367.60 × 57,471,130.40
  4. Step 4: Simplify right side
    125,495,578.40x = 10,818,559,126,274,734
  5. Step 5: Solve for x
    x = 10,818,559,126,274,734/125,495,578.40
  6. Step 6: Final answer
    x = 86,206,695.60

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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.