Home / 209,340,325.68-288,889,663.32-116,518,841.52

Finding the Fourth Proportional to 209,340,325.68, 288,889,663.32 and 116,518,841.52

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Solution

The fourth proportional to 209,340,325.68, 288,889,663.32 and 116,518,841.52 is: 160,796,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,340,325.68 : 288,889,663.32 = 116,518,841.52 : x
  2. Step 2: Convert to fraction form
    209,340,325.68/288,889,663.32 = 116,518,841.52/x
  3. Step 3: Cross multiply
    209,340,325.68x = 288,889,663.32 × 116,518,841.52
  4. Step 4: Simplify right side
    209,340,325.68x = 33,661,088,897,149,236
  5. Step 5: Solve for x
    x = 33,661,088,897,149,236/209,340,325.68
  6. Step 6: Final answer
    x = 160,796,009.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.