Home / 161,807,516.60-242,718,359.70-46,803,684.20

Finding the Fourth Proportional to 161,807,516.60, 242,718,359.70 and 46,803,684.20

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Solution

The fourth proportional to 161,807,516.60, 242,718,359.70 and 46,803,684.20 is: 70,207,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,807,516.60 : 242,718,359.70 = 46,803,684.20 : x
  2. Step 2: Convert to fraction form
    161,807,516.60/242,718,359.70 = 46,803,684.20/x
  3. Step 3: Cross multiply
    161,807,516.60x = 242,718,359.70 × 46,803,684.20
  4. Step 4: Simplify right side
    161,807,516.60x = 11,360,113,456,940,806
  5. Step 5: Solve for x
    x = 11,360,113,456,940,806/161,807,516.60
  6. Step 6: Final answer
    x = 70,207,575.62

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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.