Home / 84,152,174.74-116,121,154.37-48,863,081.72

Finding the Fourth Proportional to 84,152,174.74, 116,121,154.37 and 48,863,081.72

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Solution

The fourth proportional to 84,152,174.74, 116,121,154.37 and 48,863,081.72 is: 67,425,915.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,152,174.74 : 116,121,154.37 = 48,863,081.72 : x
  2. Step 2: Convert to fraction form
    84,152,174.74/116,121,154.37 = 48,863,081.72/x
  3. Step 3: Cross multiply
    84,152,174.74x = 116,121,154.37 × 48,863,081.72
  4. Step 4: Simplify right side
    84,152,174.74x = 5,674,037,455,448,032
  5. Step 5: Solve for x
    x = 5,674,037,455,448,032/84,152,174.74
  6. Step 6: Final answer
    x = 67,425,915.89

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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.