Home / 221,894,427.36-306,223,334.88-122,773,562.16

Finding the Fourth Proportional to 221,894,427.36, 306,223,334.88 and 122,773,562.16

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Solution

The fourth proportional to 221,894,427.36, 306,223,334.88 and 122,773,562.16 is: 169,432,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,894,427.36 : 306,223,334.88 = 122,773,562.16 : x
  2. Step 2: Convert to fraction form
    221,894,427.36/306,223,334.88 = 122,773,562.16/x
  3. Step 3: Cross multiply
    221,894,427.36x = 306,223,334.88 × 122,773,562.16
  4. Step 4: Simplify right side
    221,894,427.36x = 37,596,129,639,732,176
  5. Step 5: Solve for x
    x = 37,596,129,639,732,176/221,894,427.36
  6. Step 6: Final answer
    x = 169,432,509.36

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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.