Home / 256,931,490.36-385,335,527.07-118,624,211.61

Finding the Fourth Proportional to 256,931,490.36, 385,335,527.07 and 118,624,211.61

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Solution

The fourth proportional to 256,931,490.36, 385,335,527.07 and 118,624,211.61 is: 177,907,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,931,490.36 : 385,335,527.07 = 118,624,211.61 : x
  2. Step 2: Convert to fraction form
    256,931,490.36/385,335,527.07 = 118,624,211.61/x
  3. Step 3: Cross multiply
    256,931,490.36x = 385,335,527.07 × 118,624,211.61
  4. Step 4: Simplify right side
    256,931,490.36x = 45,710,123,104,002,560
  5. Step 5: Solve for x
    x = 45,710,123,104,002,560/256,931,490.36
  6. Step 6: Final answer
    x = 177,907,826.87

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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.