Home / 277,544,787.42-383,012,256.78-152,077,045.74

Finding the Fourth Proportional to 277,544,787.42, 383,012,256.78 and 152,077,045.74

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Solution

The fourth proportional to 277,544,787.42, 383,012,256.78 and 152,077,045.74 is: 209,866,569.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,544,787.42 : 383,012,256.78 = 152,077,045.74 : x
  2. Step 2: Convert to fraction form
    277,544,787.42/383,012,256.78 = 152,077,045.74/x
  3. Step 3: Cross multiply
    277,544,787.42x = 383,012,256.78 × 152,077,045.74
  4. Step 4: Simplify right side
    277,544,787.42x = 58,247,372,493,312,688
  5. Step 5: Solve for x
    x = 58,247,372,493,312,688/277,544,787.42
  6. Step 6: Final answer
    x = 209,866,569.77

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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.