Home / 119,794,526.78-179,711,645.55-42,051,259.22

Finding the Fourth Proportional to 119,794,526.78, 179,711,645.55 and 42,051,259.22

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Solution

The fourth proportional to 119,794,526.78, 179,711,645.55 and 42,051,259.22 is: 63,083,858.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,794,526.78 : 179,711,645.55 = 42,051,259.22 : x
  2. Step 2: Convert to fraction form
    119,794,526.78/179,711,645.55 = 42,051,259.22/x
  3. Step 3: Cross multiply
    119,794,526.78x = 179,711,645.55 × 42,051,259.22
  4. Step 4: Simplify right side
    119,794,526.78x = 7,557,100,990,977,252
  5. Step 5: Solve for x
    x = 7,557,100,990,977,252/119,794,526.78
  6. Step 6: Final answer
    x = 63,083,858.62

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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.