Home / 314,616,670.77-434,196,863.07-173,515,494.93

Finding the Fourth Proportional to 314,616,670.77, 434,196,863.07 and 173,515,494.93

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Solution

The fourth proportional to 314,616,670.77, 434,196,863.07 and 173,515,494.93 is: 239,465,643.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,616,670.77 : 434,196,863.07 = 173,515,494.93 : x
  2. Step 2: Convert to fraction form
    314,616,670.77/434,196,863.07 = 173,515,494.93/x
  3. Step 3: Cross multiply
    314,616,670.77x = 434,196,863.07 × 173,515,494.93
  4. Step 4: Simplify right side
    314,616,670.77x = 75,339,883,592,644,496
  5. Step 5: Solve for x
    x = 75,339,883,592,644,496/314,616,670.77
  6. Step 6: Final answer
    x = 239,465,643.73

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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.