Home / 238,423,438.40-357,351,722.40-214,048,011.20

Finding the Fourth Proportional to 238,423,438.40, 357,351,722.40 and 214,048,011.20

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Solution

The fourth proportional to 238,423,438.40, 357,351,722.40 and 214,048,011.20 is: 320,817,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,423,438.40 : 357,351,722.40 = 214,048,011.20 : x
  2. Step 2: Convert to fraction form
    238,423,438.40/357,351,722.40 = 214,048,011.20/x
  3. Step 3: Cross multiply
    238,423,438.40x = 357,351,722.40 × 214,048,011.20
  4. Step 4: Simplify right side
    238,423,438.40x = 76,490,425,478,614,480
  5. Step 5: Solve for x
    x = 76,490,425,478,614,480/238,423,438.40
  6. Step 6: Final answer
    x = 320,817,558.84

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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.