Home / 118,429,403.10-177,942,703.05-75,319,259.10

Finding the Fourth Proportional to 118,429,403.10, 177,942,703.05 and 75,319,259.10

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Solution

The fourth proportional to 118,429,403.10, 177,942,703.05 and 75,319,259.10 is: 113,168,792.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,429,403.10 : 177,942,703.05 = 75,319,259.10 : x
  2. Step 2: Convert to fraction form
    118,429,403.10/177,942,703.05 = 75,319,259.10/x
  3. Step 3: Cross multiply
    118,429,403.10x = 177,942,703.05 × 75,319,259.10
  4. Step 4: Simplify right side
    118,429,403.10x = 13,402,512,555,977,310
  5. Step 5: Solve for x
    x = 13,402,512,555,977,310/118,429,403.10
  6. Step 6: Final answer
    x = 113,168,792.59

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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.