Home / 253,808,645.13-380,714,281.47-115,537,553.64

Finding the Fourth Proportional to 253,808,645.13, 380,714,281.47 and 115,537,553.64

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Solution

The fourth proportional to 253,808,645.13, 380,714,281.47 and 115,537,553.64 is: 173,306,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,808,645.13 : 380,714,281.47 = 115,537,553.64 : x
  2. Step 2: Convert to fraction form
    253,808,645.13/380,714,281.47 = 115,537,553.64/x
  3. Step 3: Cross multiply
    253,808,645.13x = 380,714,281.47 × 115,537,553.64
  4. Step 4: Simplify right side
    253,808,645.13x = 43,986,796,716,854,184
  5. Step 5: Solve for x
    x = 43,986,796,716,854,184/253,808,645.13
  6. Step 6: Final answer
    x = 173,306,928.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.