Home / 51,376,176.90-77,064,265.35-21,105,764.10

Finding the Fourth Proportional to 51,376,176.90, 77,064,265.35 and 21,105,764.10

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Solution

The fourth proportional to 51,376,176.90, 77,064,265.35 and 21,105,764.10 is: 31,658,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,376,176.90 : 77,064,265.35 = 21,105,764.10 : x
  2. Step 2: Convert to fraction form
    51,376,176.90/77,064,265.35 = 21,105,764.10/x
  3. Step 3: Cross multiply
    51,376,176.90x = 77,064,265.35 × 21,105,764.10
  4. Step 4: Simplify right side
    51,376,176.90x = 1,626,500,205,016,904
  5. Step 5: Solve for x
    x = 1,626,500,205,016,904/51,376,176.90
  6. Step 6: Final answer
    x = 31,658,646.15

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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.