Home / 122,788,543.33-169,448,731.01-67,784,851.81

Finding the Fourth Proportional to 122,788,543.33, 169,448,731.01 and 67,784,851.81

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Solution

The fourth proportional to 122,788,543.33, 169,448,731.01 and 67,784,851.81 is: 93,543,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,788,543.33 : 169,448,731.01 = 67,784,851.81 : x
  2. Step 2: Convert to fraction form
    122,788,543.33/169,448,731.01 = 67,784,851.81/x
  3. Step 3: Cross multiply
    122,788,543.33x = 169,448,731.01 × 67,784,851.81
  4. Step 4: Simplify right side
    122,788,543.33x = 11,486,057,120,905,402
  5. Step 5: Solve for x
    x = 11,486,057,120,905,402/122,788,543.33
  6. Step 6: Final answer
    x = 93,543,394.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.