Home / 98,140,661.70-135,431,780.37-53,488,043.70

Finding the Fourth Proportional to 98,140,661.70, 135,431,780.37 and 53,488,043.70

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Solution

The fourth proportional to 98,140,661.70, 135,431,780.37 and 53,488,043.70 is: 73,812,228.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,140,661.70 : 135,431,780.37 = 53,488,043.70 : x
  2. Step 2: Convert to fraction form
    98,140,661.70/135,431,780.37 = 53,488,043.70/x
  3. Step 3: Cross multiply
    98,140,661.70x = 135,431,780.37 × 53,488,043.70
  4. Step 4: Simplify right side
    98,140,661.70x = 7,243,980,986,799,363
  5. Step 5: Solve for x
    x = 7,243,980,986,799,363/98,140,661.70
  6. Step 6: Final answer
    x = 73,812,228.91

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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.