Home / 106,554,140.52-147,044,714.16-57,661,568.52

Finding the Fourth Proportional to 106,554,140.52, 147,044,714.16 and 57,661,568.52

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Solution

The fourth proportional to 106,554,140.52, 147,044,714.16 and 57,661,568.52 is: 79,572,964.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,554,140.52 : 147,044,714.16 = 57,661,568.52 : x
  2. Step 2: Convert to fraction form
    106,554,140.52/147,044,714.16 = 57,661,568.52/x
  3. Step 3: Cross multiply
    106,554,140.52x = 147,044,714.16 × 57,661,568.52
  4. Step 4: Simplify right side
    106,554,140.52x = 8,478,828,861,040,655
  5. Step 5: Solve for x
    x = 8,478,828,861,040,655/106,554,140.52
  6. Step 6: Final answer
    x = 79,572,964.69

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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.