Home / 77,998,986.90-116,926,830.99-26,868,851.46

Finding the Fourth Proportional to 77,998,986.90, 116,926,830.99 and 26,868,851.46

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Solution

The fourth proportional to 77,998,986.90, 116,926,830.99 and 26,868,851.46 is: 40,278,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,998,986.90 : 116,926,830.99 = 26,868,851.46 : x
  2. Step 2: Convert to fraction form
    77,998,986.90/116,926,830.99 = 26,868,851.46/x
  3. Step 3: Cross multiply
    77,998,986.90x = 116,926,830.99 × 26,868,851.46
  4. Step 4: Simplify right side
    77,998,986.90x = 3,141,689,653,558,834.50
  5. Step 5: Solve for x
    x = 3,141,689,653,558,834.50/77,998,986.90
  6. Step 6: Final answer
    x = 40,278,595.64

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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.