Home / 161,828,713.20-242,967,018.60-127,788,495.60

Finding the Fourth Proportional to 161,828,713.20, 242,967,018.60 and 127,788,495.60

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Solution

The fourth proportional to 161,828,713.20, 242,967,018.60 and 127,788,495.60 is: 191,859,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,828,713.20 : 242,967,018.60 = 127,788,495.60 : x
  2. Step 2: Convert to fraction form
    161,828,713.20/242,967,018.60 = 127,788,495.60/x
  3. Step 3: Cross multiply
    161,828,713.20x = 242,967,018.60 × 127,788,495.60
  4. Step 4: Simplify right side
    161,828,713.20x = 31,048,389,787,311,216
  5. Step 5: Solve for x
    x = 31,048,389,787,311,216/161,828,713.20
  6. Step 6: Final answer
    x = 191,859,585.20

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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.