Home / 265,889,623.17-366,988,901.95-155,916,765.57

Finding the Fourth Proportional to 265,889,623.17, 366,988,901.95 and 155,916,765.57

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Solution

The fourth proportional to 265,889,623.17, 366,988,901.95 and 155,916,765.57 is: 215,201,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,889,623.17 : 366,988,901.95 = 155,916,765.57 : x
  2. Step 2: Convert to fraction form
    265,889,623.17/366,988,901.95 = 155,916,765.57/x
  3. Step 3: Cross multiply
    265,889,623.17x = 366,988,901.95 × 155,916,765.57
  4. Step 4: Simplify right side
    265,889,623.17x = 57,219,722,593,700,968
  5. Step 5: Solve for x
    x = 57,219,722,593,700,968/265,889,623.17
  6. Step 6: Final answer
    x = 215,201,036.85

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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.