Home / 74,861,570.20-112,284,060.90-61,374,875.80

Finding the Fourth Proportional to 74,861,570.20, 112,284,060.90 and 61,374,875.80

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Solution

The fourth proportional to 74,861,570.20, 112,284,060.90 and 61,374,875.80 is: 92,055,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,861,570.20 : 112,284,060.90 = 61,374,875.80 : x
  2. Step 2: Convert to fraction form
    74,861,570.20/112,284,060.90 = 61,374,875.80/x
  3. Step 3: Cross multiply
    74,861,570.20x = 112,284,060.90 × 61,374,875.80
  4. Step 4: Simplify right side
    74,861,570.20x = 6,891,420,292,057,136
  5. Step 5: Solve for x
    x = 6,891,420,292,057,136/74,861,570.20
  6. Step 6: Final answer
    x = 92,055,513.58

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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.