Home / 118,087,661.10-177,131,491.65-72,501,638.70

Finding the Fourth Proportional to 118,087,661.10, 177,131,491.65 and 72,501,638.70

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Solution

The fourth proportional to 118,087,661.10, 177,131,491.65 and 72,501,638.70 is: 108,752,458.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,087,661.10 : 177,131,491.65 = 72,501,638.70 : x
  2. Step 2: Convert to fraction form
    118,087,661.10/177,131,491.65 = 72,501,638.70/x
  3. Step 3: Cross multiply
    118,087,661.10x = 177,131,491.65 × 72,501,638.70
  4. Step 4: Simplify right side
    118,087,661.10x = 12,842,323,410,000,368
  5. Step 5: Solve for x
    x = 12,842,323,410,000,368/118,087,661.10
  6. Step 6: Final answer
    x = 108,752,458.05

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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.