Home / 64,154,963.80-96,232,445.70-53,384,426.20

Finding the Fourth Proportional to 64,154,963.80, 96,232,445.70 and 53,384,426.20

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Solution

The fourth proportional to 64,154,963.80, 96,232,445.70 and 53,384,426.20 is: 80,076,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,154,963.80 : 96,232,445.70 = 53,384,426.20 : x
  2. Step 2: Convert to fraction form
    64,154,963.80/96,232,445.70 = 53,384,426.20/x
  3. Step 3: Cross multiply
    64,154,963.80x = 96,232,445.70 × 53,384,426.20
  4. Step 4: Simplify right side
    64,154,963.80x = 5,137,313,895,517,158
  5. Step 5: Solve for x
    x = 5,137,313,895,517,158/64,154,963.80
  6. Step 6: Final answer
    x = 80,076,639.30

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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.