Home / 112,096,001.20-168,144,001.80-61,077,665.20

Finding the Fourth Proportional to 112,096,001.20, 168,144,001.80 and 61,077,665.20

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Solution

The fourth proportional to 112,096,001.20, 168,144,001.80 and 61,077,665.20 is: 91,616,497.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,096,001.20 : 168,144,001.80 = 61,077,665.20 : x
  2. Step 2: Convert to fraction form
    112,096,001.20/168,144,001.80 = 61,077,665.20/x
  3. Step 3: Cross multiply
    112,096,001.20x = 168,144,001.80 × 61,077,665.20
  4. Step 4: Simplify right side
    112,096,001.20x = 10,269,843,047,328,598
  5. Step 5: Solve for x
    x = 10,269,843,047,328,598/112,096,001.20
  6. Step 6: Final answer
    x = 91,616,497.80

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1.5x scale

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.