Home / 77,376,286-106,779,272.52-42,568,227.28

Finding the Fourth Proportional to 77,376,286, 106,779,272.52 and 42,568,227.28

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Solution

The fourth proportional to 77,376,286, 106,779,272.52 and 42,568,227.28 is: 58,744,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,376,286 : 106,779,272.52 = 42,568,227.28 : x
  2. Step 2: Convert to fraction form
    77,376,286/106,779,272.52 = 42,568,227.28/x
  3. Step 3: Cross multiply
    77,376,286x = 106,779,272.52 × 42,568,227.28
  4. Step 4: Simplify right side
    77,376,286x = 4,545,404,341,424,418
  5. Step 5: Solve for x
    x = 4,545,404,341,424,418/77,376,286
  6. Step 6: Final answer
    x = 58,744,152.46

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1.5x scale

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.