Home / 129,025,344.80-193,538,017.20-64,528,090.40

Finding the Fourth Proportional to 129,025,344.80, 193,538,017.20 and 64,528,090.40

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Solution

The fourth proportional to 129,025,344.80, 193,538,017.20 and 64,528,090.40 is: 96,792,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,025,344.80 : 193,538,017.20 = 64,528,090.40 : x
  2. Step 2: Convert to fraction form
    129,025,344.80/193,538,017.20 = 64,528,090.40/x
  3. Step 3: Cross multiply
    129,025,344.80x = 193,538,017.20 × 64,528,090.40
  4. Step 4: Simplify right side
    129,025,344.80x = 12,488,638,669,718,354
  5. Step 5: Solve for x
    x = 12,488,638,669,718,354/129,025,344.80
  6. Step 6: Final answer
    x = 96,792,135.60

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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.