Home / 77,767,246.40-116,650,869.60-65,296,097.60

Finding the Fourth Proportional to 77,767,246.40, 116,650,869.60 and 65,296,097.60

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Solution

The fourth proportional to 77,767,246.40, 116,650,869.60 and 65,296,097.60 is: 97,944,146.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,767,246.40 : 116,650,869.60 = 65,296,097.60 : x
  2. Step 2: Convert to fraction form
    77,767,246.40/116,650,869.60 = 65,296,097.60/x
  3. Step 3: Cross multiply
    77,767,246.40x = 116,650,869.60 × 65,296,097.60
  4. Step 4: Simplify right side
    77,767,246.40x = 7,616,846,566,526,473
  5. Step 5: Solve for x
    x = 7,616,846,566,526,473/77,767,246.40
  6. Step 6: Final answer
    x = 97,944,146.40

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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.