Home / 273,417,204.78-377,241,128.28-155,899,678.32

Finding the Fourth Proportional to 273,417,204.78, 377,241,128.28 and 155,899,678.32

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Solution

The fourth proportional to 273,417,204.78, 377,241,128.28 and 155,899,678.32 is: 215,099,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,417,204.78 : 377,241,128.28 = 155,899,678.32 : x
  2. Step 2: Convert to fraction form
    273,417,204.78/377,241,128.28 = 155,899,678.32/x
  3. Step 3: Cross multiply
    273,417,204.78x = 377,241,128.28 × 155,899,678.32
  4. Step 4: Simplify right side
    273,417,204.78x = 58,811,770,547,925,848
  5. Step 5: Solve for x
    x = 58,811,770,547,925,848/273,417,204.78
  6. Step 6: Final answer
    x = 215,099,011.77

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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.