Home / 161,848,332.80-242,772,499.20-107,428,774.40

Finding the Fourth Proportional to 161,848,332.80, 242,772,499.20 and 107,428,774.40

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Solution

The fourth proportional to 161,848,332.80, 242,772,499.20 and 107,428,774.40 is: 161,143,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,848,332.80 : 242,772,499.20 = 107,428,774.40 : x
  2. Step 2: Convert to fraction form
    161,848,332.80/242,772,499.20 = 107,428,774.40/x
  3. Step 3: Cross multiply
    161,848,332.80x = 242,772,499.20 × 107,428,774.40
  4. Step 4: Simplify right side
    161,848,332.80x = 26,080,752,047,080,980
  5. Step 5: Solve for x
    x = 26,080,752,047,080,980/161,848,332.80
  6. Step 6: Final answer
    x = 161,143,161.60

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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.