Home / 144,880,661.90-217,331,490.45-87,248,837.90

Finding the Fourth Proportional to 144,880,661.90, 217,331,490.45 and 87,248,837.90

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Solution

The fourth proportional to 144,880,661.90, 217,331,490.45 and 87,248,837.90 is: 130,879,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,880,661.90 : 217,331,490.45 = 87,248,837.90 : x
  2. Step 2: Convert to fraction form
    144,880,661.90/217,331,490.45 = 87,248,837.90/x
  3. Step 3: Cross multiply
    144,880,661.90x = 217,331,490.45 × 87,248,837.90
  4. Step 4: Simplify right side
    144,880,661.90x = 18,961,919,980,837,448
  5. Step 5: Solve for x
    x = 18,961,919,980,837,448/144,880,661.90
  6. Step 6: Final answer
    x = 130,879,578.63

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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.