Home / 99,817,813.80-149,474,778.30-65,553,647.40

Finding the Fourth Proportional to 99,817,813.80, 149,474,778.30 and 65,553,647.40

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Solution

The fourth proportional to 99,817,813.80, 149,474,778.30 and 65,553,647.40 is: 98,165,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,817,813.80 : 149,474,778.30 = 65,553,647.40 : x
  2. Step 2: Convert to fraction form
    99,817,813.80/149,474,778.30 = 65,553,647.40/x
  3. Step 3: Cross multiply
    99,817,813.80x = 149,474,778.30 × 65,553,647.40
  4. Step 4: Simplify right side
    99,817,813.80x = 9,798,616,911,871,372
  5. Step 5: Solve for x
    x = 9,798,616,911,871,372/99,817,813.80
  6. Step 6: Final answer
    x = 98,165,012.22

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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.