Home / 79,191,530.70-118,787,296.05-66,436,946.70

Finding the Fourth Proportional to 79,191,530.70, 118,787,296.05 and 66,436,946.70

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Solution

The fourth proportional to 79,191,530.70, 118,787,296.05 and 66,436,946.70 is: 99,655,420.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,191,530.70 : 118,787,296.05 = 66,436,946.70 : x
  2. Step 2: Convert to fraction form
    79,191,530.70/118,787,296.05 = 66,436,946.70/x
  3. Step 3: Cross multiply
    79,191,530.70x = 118,787,296.05 × 66,436,946.70
  4. Step 4: Simplify right side
    79,191,530.70x = 7,891,865,256,310,971
  5. Step 5: Solve for x
    x = 7,891,865,256,310,971/79,191,530.70
  6. Step 6: Final answer
    x = 99,655,420.05

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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.