Home / 320,643,753.67-481,038,154.23-173,088,146.40

Finding the Fourth Proportional to 320,643,753.67, 481,038,154.23 and 173,088,146.40

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Solution

The fourth proportional to 320,643,753.67, 481,038,154.23 and 173,088,146.40 is: 259,671,368.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,643,753.67 : 481,038,154.23 = 173,088,146.40 : x
  2. Step 2: Convert to fraction form
    320,643,753.67/481,038,154.23 = 173,088,146.40/x
  3. Step 3: Cross multiply
    320,643,753.67x = 481,038,154.23 × 173,088,146.40
  4. Step 4: Simplify right side
    320,643,753.67x = 83,262,002,460,853,520
  5. Step 5: Solve for x
    x = 83,262,002,460,853,520/320,643,753.67
  6. Step 6: Final answer
    x = 259,671,368.95

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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.