Home / 114,072,968-157,420,772.64-61,861,987.52

Finding the Fourth Proportional to 114,072,968, 157,420,772.64 and 61,861,987.52

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Solution

The fourth proportional to 114,072,968, 157,420,772.64 and 61,861,987.52 is: 85,369,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,072,968 : 157,420,772.64 = 61,861,987.52 : x
  2. Step 2: Convert to fraction form
    114,072,968/157,420,772.64 = 61,861,987.52/x
  3. Step 3: Cross multiply
    114,072,968x = 157,420,772.64 × 61,861,987.52
  4. Step 4: Simplify right side
    114,072,968x = 9,738,361,872,444,438
  5. Step 5: Solve for x
    x = 9,738,361,872,444,438/114,072,968
  6. Step 6: Final answer
    x = 85,369,584.43

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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.