Home / 161,908,951.10-242,848,369.08-45,334,858.24

Finding the Fourth Proportional to 161,908,951.10, 242,848,369.08 and 45,334,858.24

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Solution

The fourth proportional to 161,908,951.10, 242,848,369.08 and 45,334,858.24 is: 67,998,071.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,908,951.10 : 242,848,369.08 = 45,334,858.24 : x
  2. Step 2: Convert to fraction form
    161,908,951.10/242,848,369.08 = 45,334,858.24/x
  3. Step 3: Cross multiply
    161,908,951.10x = 242,848,369.08 × 45,334,858.24
  4. Step 4: Simplify right side
    161,908,951.10x = 11,009,496,386,057,000
  5. Step 5: Solve for x
    x = 11,009,496,386,057,000/161,908,951.10
  6. Step 6: Final answer
    x = 67,998,071.21

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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.