Home / 73,170,368.55-109,765,591.02-42,479,355.42

Finding the Fourth Proportional to 73,170,368.55, 109,765,591.02 and 42,479,355.42

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Solution

The fourth proportional to 73,170,368.55, 109,765,591.02 and 42,479,355.42 is: 63,724,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,170,368.55 : 109,765,591.02 = 42,479,355.42 : x
  2. Step 2: Convert to fraction form
    73,170,368.55/109,765,591.02 = 42,479,355.42/x
  3. Step 3: Cross multiply
    73,170,368.55x = 109,765,591.02 × 42,479,355.42
  4. Step 4: Simplify right side
    73,170,368.55x = 4,662,771,553,824,940
  5. Step 5: Solve for x
    x = 4,662,771,553,824,940/73,170,368.55
  6. Step 6: Final answer
    x = 63,724,860.84

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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.