Home / 144,880,646.40-217,331,467.20-87,248,822.40

Finding the Fourth Proportional to 144,880,646.40, 217,331,467.20 and 87,248,822.40

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Solution

The fourth proportional to 144,880,646.40, 217,331,467.20 and 87,248,822.40 is: 130,879,555.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,880,646.40 : 217,331,467.20 = 87,248,822.40 : x
  2. Step 2: Convert to fraction form
    144,880,646.40/217,331,467.20 = 87,248,822.40/x
  3. Step 3: Cross multiply
    144,880,646.40x = 217,331,467.20 × 87,248,822.40
  4. Step 4: Simplify right side
    144,880,646.40x = 18,961,914,583,664,224
  5. Step 5: Solve for x
    x = 18,961,914,583,664,224/144,880,646.40
  6. Step 6: Final answer
    x = 130,879,555.38

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1.5x scale

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.