Home / 376,147,982.40-564,221,973.60-99,798,662.40

Finding the Fourth Proportional to 376,147,982.40, 564,221,973.60 and 99,798,662.40

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Solution

The fourth proportional to 376,147,982.40, 564,221,973.60 and 99,798,662.40 is: 149,697,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,147,982.40 : 564,221,973.60 = 99,798,662.40 : x
  2. Step 2: Convert to fraction form
    376,147,982.40/564,221,973.60 = 99,798,662.40/x
  3. Step 3: Cross multiply
    376,147,982.40x = 564,221,973.60 × 99,798,662.40
  4. Step 4: Simplify right side
    376,147,982.40x = 56,308,598,261,968,120
  5. Step 5: Solve for x
    x = 56,308,598,261,968,120/376,147,982.40
  6. Step 6: Final answer
    x = 149,697,993.60

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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.