Home / 187,178,510.40-280,369,634.40-155,328,014.40

Finding the Fourth Proportional to 187,178,510.40, 280,369,634.40 and 155,328,014.40

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Solution

The fourth proportional to 187,178,510.40, 280,369,634.40 and 155,328,014.40 is: 232,661,636.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,178,510.40 : 280,369,634.40 = 155,328,014.40 : x
  2. Step 2: Convert to fraction form
    187,178,510.40/280,369,634.40 = 155,328,014.40/x
  3. Step 3: Cross multiply
    187,178,510.40x = 280,369,634.40 × 155,328,014.40
  4. Step 4: Simplify right side
    187,178,510.40x = 43,549,258,609,405,936
  5. Step 5: Solve for x
    x = 43,549,258,609,405,936/187,178,510.40
  6. Step 6: Final answer
    x = 232,661,636.83

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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.