Home / 340,007,612.85-469,174,328.06-191,326,142.95

Finding the Fourth Proportional to 340,007,612.85, 469,174,328.06 and 191,326,142.95

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Solution

The fourth proportional to 340,007,612.85, 469,174,328.06 and 191,326,142.95 is: 264,009,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,007,612.85 : 469,174,328.06 = 191,326,142.95 : x
  2. Step 2: Convert to fraction form
    340,007,612.85/469,174,328.06 = 191,326,142.95/x
  3. Step 3: Cross multiply
    340,007,612.85x = 469,174,328.06 × 191,326,142.95
  4. Step 4: Simplify right side
    340,007,612.85x = 89,765,314,556,748,192
  5. Step 5: Solve for x
    x = 89,765,314,556,748,192/340,007,612.85
  6. Step 6: Final answer
    x = 264,009,719.68

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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.