Home / 55,326,143.34-76,279,089.50-45,366,326.64

Finding the Fourth Proportional to 55,326,143.34, 76,279,089.50 and 45,366,326.64

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Solution

The fourth proportional to 55,326,143.34, 76,279,089.50 and 45,366,326.64 is: 62,547,321.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326,143.34 : 76,279,089.50 = 45,366,326.64 : x
  2. Step 2: Convert to fraction form
    55,326,143.34/76,279,089.50 = 45,366,326.64/x
  3. Step 3: Cross multiply
    55,326,143.34x = 76,279,089.50 × 45,366,326.64
  4. Step 4: Simplify right side
    55,326,143.34x = 3,460,502,090,058,794.50
  5. Step 5: Solve for x
    x = 3,460,502,090,058,794.50/55,326,143.34
  6. Step 6: Final answer
    x = 62,547,321.78

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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.