Home / 242,238,661.20-363,441,972.60-106,021,803.60

Finding the Fourth Proportional to 242,238,661.20, 363,441,972.60 and 106,021,803.60

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Solution

The fourth proportional to 242,238,661.20, 363,441,972.60 and 106,021,803.60 is: 159,069,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,238,661.20 : 363,441,972.60 = 106,021,803.60 : x
  2. Step 2: Convert to fraction form
    242,238,661.20/363,441,972.60 = 106,021,803.60/x
  3. Step 3: Cross multiply
    242,238,661.20x = 363,441,972.60 × 106,021,803.60
  4. Step 4: Simplify right side
    242,238,661.20x = 38,532,773,438,993,784
  5. Step 5: Solve for x
    x = 38,532,773,438,993,784/242,238,661.20
  6. Step 6: Final answer
    x = 159,069,461.70

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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.