Home / 187,148,532.84-258,247,643.30-103,514,863.72

Finding the Fourth Proportional to 187,148,532.84, 258,247,643.30 and 103,514,863.72

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Solution

The fourth proportional to 187,148,532.84, 258,247,643.30 and 103,514,863.72 is: 142,840,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,148,532.84 : 258,247,643.30 = 103,514,863.72 : x
  2. Step 2: Convert to fraction form
    187,148,532.84/258,247,643.30 = 103,514,863.72/x
  3. Step 3: Cross multiply
    187,148,532.84x = 258,247,643.30 × 103,514,863.72
  4. Step 4: Simplify right side
    187,148,532.84x = 26,732,469,602,210,672
  5. Step 5: Solve for x
    x = 26,732,469,602,210,672/187,148,532.84
  6. Step 6: Final answer
    x = 142,840,925.32

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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.