Home / 282,376,212.16-389,558,296.20-176,345,549.32

Finding the Fourth Proportional to 282,376,212.16, 389,558,296.20 and 176,345,549.32

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Solution

The fourth proportional to 282,376,212.16, 389,558,296.20 and 176,345,549.32 is: 243,281,369.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,376,212.16 : 389,558,296.20 = 176,345,549.32 : x
  2. Step 2: Convert to fraction form
    282,376,212.16/389,558,296.20 = 176,345,549.32/x
  3. Step 3: Cross multiply
    282,376,212.16x = 389,558,296.20 × 176,345,549.32
  4. Step 4: Simplify right side
    282,376,212.16x = 68,696,871,735,552,264
  5. Step 5: Solve for x
    x = 68,696,871,735,552,264/282,376,212.16
  6. Step 6: Final answer
    x = 243,281,369.95

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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.