Home / 77,263,916.80-115,895,875.20-23,404,230.40

Finding the Fourth Proportional to 77,263,916.80, 115,895,875.20 and 23,404,230.40

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Solution

The fourth proportional to 77,263,916.80, 115,895,875.20 and 23,404,230.40 is: 35,106,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,263,916.80 : 115,895,875.20 = 23,404,230.40 : x
  2. Step 2: Convert to fraction form
    77,263,916.80/115,895,875.20 = 23,404,230.40/x
  3. Step 3: Cross multiply
    77,263,916.80x = 115,895,875.20 × 23,404,230.40
  4. Step 4: Simplify right side
    77,263,916.80x = 2,712,453,765,590,446
  5. Step 5: Solve for x
    x = 2,712,453,765,590,446/77,263,916.80
  6. Step 6: Final answer
    x = 35,106,345.60

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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.