Home / 98,936,639.72-148,335,421.89-43,578,202.22

Finding the Fourth Proportional to 98,936,639.72, 148,335,421.89 and 43,578,202.22

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Solution

The fourth proportional to 98,936,639.72, 148,335,421.89 and 43,578,202.22 is: 65,336,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,936,639.72 : 148,335,421.89 = 43,578,202.22 : x
  2. Step 2: Convert to fraction form
    98,936,639.72/148,335,421.89 = 43,578,202.22/x
  3. Step 3: Cross multiply
    98,936,639.72x = 148,335,421.89 × 43,578,202.22
  4. Step 4: Simplify right side
    98,936,639.72x = 6,464,191,011,511,434
  5. Step 5: Solve for x
    x = 6,464,191,011,511,434/98,936,639.72
  6. Step 6: Final answer
    x = 65,336,674.36

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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.