Home / 129,039,747.80-193,559,621.70-64,542,493.40

Finding the Fourth Proportional to 129,039,747.80, 193,559,621.70 and 64,542,493.40

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Solution

The fourth proportional to 129,039,747.80, 193,559,621.70 and 64,542,493.40 is: 96,813,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,039,747.80 : 193,559,621.70 = 64,542,493.40 : x
  2. Step 2: Convert to fraction form
    129,039,747.80/193,559,621.70 = 64,542,493.40/x
  3. Step 3: Cross multiply
    129,039,747.80x = 193,559,621.70 × 64,542,493.40
  4. Step 4: Simplify right side
    129,039,747.80x = 12,492,820,606,078,746
  5. Step 5: Solve for x
    x = 12,492,820,606,078,746/129,039,747.80
  6. Step 6: Final answer
    x = 96,813,740.10

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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.