Home / 77,256,281.40-115,884,422.10-26,138,300.21

Finding the Fourth Proportional to 77,256,281.40, 115,884,422.10 and 26,138,300.21

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Solution

The fourth proportional to 77,256,281.40, 115,884,422.10 and 26,138,300.21 is: 39,207,450.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,256,281.40 : 115,884,422.10 = 26,138,300.21 : x
  2. Step 2: Convert to fraction form
    77,256,281.40/115,884,422.10 = 26,138,300.21/x
  3. Step 3: Cross multiply
    77,256,281.40x = 115,884,422.10 × 26,138,300.21
  4. Step 4: Simplify right side
    77,256,281.40x = 3,029,021,814,801,869.50
  5. Step 5: Solve for x
    x = 3,029,021,814,801,869.50/77,256,281.40
  6. Step 6: Final answer
    x = 39,207,450.32

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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.