Home / 211,088,390.56-316,282,381.60-149,371,557.28

Finding the Fourth Proportional to 211,088,390.56, 316,282,381.60 and 149,371,557.28

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Solution

The fourth proportional to 211,088,390.56, 316,282,381.60 and 149,371,557.28 is: 223,809,522.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,088,390.56 : 316,282,381.60 = 149,371,557.28 : x
  2. Step 2: Convert to fraction form
    211,088,390.56/316,282,381.60 = 149,371,557.28/x
  3. Step 3: Cross multiply
    211,088,390.56x = 316,282,381.60 × 149,371,557.28
  4. Step 4: Simplify right side
    211,088,390.56x = 47,243,591,879,819,224
  5. Step 5: Solve for x
    x = 47,243,591,879,819,224/211,088,390.56
  6. Step 6: Final answer
    x = 223,809,522.42

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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.