Home / 83,266,907.81-114,920,358.19-47,977,956.81

Finding the Fourth Proportional to 83,266,907.81, 114,920,358.19 and 47,977,956.81

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Solution

The fourth proportional to 83,266,907.81, 114,920,358.19 and 47,977,956.81 is: 66,216,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,266,907.81 : 114,920,358.19 = 47,977,956.81 : x
  2. Step 2: Convert to fraction form
    83,266,907.81/114,920,358.19 = 47,977,956.81/x
  3. Step 3: Cross multiply
    83,266,907.81x = 114,920,358.19 × 47,977,956.81
  4. Step 4: Simplify right side
    83,266,907.81x = 5,513,643,981,709,605
  5. Step 5: Solve for x
    x = 5,513,643,981,709,605/83,266,907.81
  6. Step 6: Final answer
    x = 66,216,509.38

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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.