Home / 77,202,881.40-115,804,322.10-26,084,162.10

Finding the Fourth Proportional to 77,202,881.40, 115,804,322.10 and 26,084,162.10

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Solution

The fourth proportional to 77,202,881.40, 115,804,322.10 and 26,084,162.10 is: 39,126,243.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,202,881.40 : 115,804,322.10 = 26,084,162.10 : x
  2. Step 2: Convert to fraction form
    77,202,881.40/115,804,322.10 = 26,084,162.10/x
  3. Step 3: Cross multiply
    77,202,881.40x = 115,804,322.10 × 26,084,162.10
  4. Step 4: Simplify right side
    77,202,881.40x = 3,020,658,709,537,012.50
  5. Step 5: Solve for x
    x = 3,020,658,709,537,012.50/77,202,881.40
  6. Step 6: Final answer
    x = 39,126,243.15

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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.