Home / 125,645,167.80-188,485,466.40-39,374,578.80

Finding the Fourth Proportional to 125,645,167.80, 188,485,466.40 and 39,374,578.80

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Solution

The fourth proportional to 125,645,167.80, 188,485,466.40 and 39,374,578.80 is: 59,067,419.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,645,167.80 : 188,485,466.40 = 39,374,578.80 : x
  2. Step 2: Convert to fraction form
    125,645,167.80/188,485,466.40 = 39,374,578.80/x
  3. Step 3: Cross multiply
    125,645,167.80x = 188,485,466.40 × 39,374,578.80
  4. Step 4: Simplify right side
    125,645,167.80x = 7,421,535,849,421,552
  5. Step 5: Solve for x
    x = 7,421,535,849,421,552/125,645,167.80
  6. Step 6: Final answer
    x = 59,067,419.62

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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.