Home / 145,621,834.56-200,956,773.56-79,542,307.53

Finding the Fourth Proportional to 145,621,834.56, 200,956,773.56 and 79,542,307.53

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Solution

The fourth proportional to 145,621,834.56, 200,956,773.56 and 79,542,307.53 is: 109,767,642.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,621,834.56 : 200,956,773.56 = 79,542,307.53 : x
  2. Step 2: Convert to fraction form
    145,621,834.56/200,956,773.56 = 79,542,307.53/x
  3. Step 3: Cross multiply
    145,621,834.56x = 200,956,773.56 × 79,542,307.53
  4. Step 4: Simplify right side
    145,621,834.56x = 15,984,565,482,746,094
  5. Step 5: Solve for x
    x = 15,984,565,482,746,094/145,621,834.56
  6. Step 6: Final answer
    x = 109,767,642.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.