Home / 372,267,122.90-513,712,058.18-213,383,341.94

Finding the Fourth Proportional to 372,267,122.90, 513,712,058.18 and 213,383,341.94

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Solution

The fourth proportional to 372,267,122.90, 513,712,058.18 and 213,383,341.94 is: 294,459,513.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,267,122.90 : 513,712,058.18 = 213,383,341.94 : x
  2. Step 2: Convert to fraction form
    372,267,122.90/513,712,058.18 = 213,383,341.94/x
  3. Step 3: Cross multiply
    372,267,122.90x = 513,712,058.18 × 213,383,341.94
  4. Step 4: Simplify right side
    372,267,122.90x = 109,617,595,765,688,640
  5. Step 5: Solve for x
    x = 109,617,595,765,688,640/372,267,122.90
  6. Step 6: Final answer
    x = 294,459,513.14

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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.