Home / 106,554,142.52-147,044,716.92-57,661,570.52

Finding the Fourth Proportional to 106,554,142.52, 147,044,716.92 and 57,661,570.52

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Solution

The fourth proportional to 106,554,142.52, 147,044,716.92 and 57,661,570.52 is: 79,572,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,554,142.52 : 147,044,716.92 = 57,661,570.52 : x
  2. Step 2: Convert to fraction form
    106,554,142.52/147,044,716.92 = 57,661,570.52/x
  3. Step 3: Cross multiply
    106,554,142.52x = 147,044,716.92 × 57,661,570.52
  4. Step 4: Simplify right side
    106,554,142.52x = 8,478,829,314,276,017
  5. Step 5: Solve for x
    x = 8,478,829,314,276,017/106,554,142.52
  6. Step 6: Final answer
    x = 79,572,967.45

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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.