Home / 77,821,677.92-116,730,646.64-25,299,281.19

Finding the Fourth Proportional to 77,821,677.92, 116,730,646.64 and 25,299,281.19

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Solution

The fourth proportional to 77,821,677.92, 116,730,646.64 and 25,299,281.19 is: 37,948,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,821,677.92 : 116,730,646.64 = 25,299,281.19 : x
  2. Step 2: Convert to fraction form
    77,821,677.92/116,730,646.64 = 25,299,281.19/x
  3. Step 3: Cross multiply
    77,821,677.92x = 116,730,646.64 × 25,299,281.19
  4. Step 4: Simplify right side
    77,821,677.92x = 2,953,201,452,709,392.50
  5. Step 5: Solve for x
    x = 2,953,201,452,709,392.50/77,821,677.92
  6. Step 6: Final answer
    x = 37,948,313.78

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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.