Home / 144,880,564.40-217,331,344.20-87,248,740.40

Finding the Fourth Proportional to 144,880,564.40, 217,331,344.20 and 87,248,740.40

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Solution

The fourth proportional to 144,880,564.40, 217,331,344.20 and 87,248,740.40 is: 130,879,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,880,564.40 : 217,331,344.20 = 87,248,740.40 : x
  2. Step 2: Convert to fraction form
    144,880,564.40/217,331,344.20 = 87,248,740.40/x
  3. Step 3: Cross multiply
    144,880,564.40x = 217,331,344.20 × 87,248,740.40
  4. Step 4: Simplify right side
    144,880,564.40x = 18,961,886,030,888,844
  5. Step 5: Solve for x
    x = 18,961,886,030,888,844/144,880,564.40
  6. Step 6: Final answer
    x = 130,879,432.38

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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.