Home / 78,996,883.70-118,495,325.55-40,733,131.70

Finding the Fourth Proportional to 78,996,883.70, 118,495,325.55 and 40,733,131.70

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Solution

The fourth proportional to 78,996,883.70, 118,495,325.55 and 40,733,131.70 is: 61,099,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,996,883.70 : 118,495,325.55 = 40,733,131.70 : x
  2. Step 2: Convert to fraction form
    78,996,883.70/118,495,325.55 = 40,733,131.70/x
  3. Step 3: Cross multiply
    78,996,883.70x = 118,495,325.55 × 40,733,131.70
  4. Step 4: Simplify right side
    78,996,883.70x = 4,826,685,701,462,525
  5. Step 5: Solve for x
    x = 4,826,685,701,462,525/78,996,883.70
  6. Step 6: Final answer
    x = 61,099,697.55

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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.