Home / 99,643,710.70-149,465,566.05-45,895,998.70

Finding the Fourth Proportional to 99,643,710.70, 149,465,566.05 and 45,895,998.70

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Solution

The fourth proportional to 99,643,710.70, 149,465,566.05 and 45,895,998.70 is: 68,843,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,643,710.70 : 149,465,566.05 = 45,895,998.70 : x
  2. Step 2: Convert to fraction form
    99,643,710.70/149,465,566.05 = 45,895,998.70/x
  3. Step 3: Cross multiply
    99,643,710.70x = 149,465,566.05 × 45,895,998.70
  4. Step 4: Simplify right side
    99,643,710.70x = 6,859,871,425,125,565
  5. Step 5: Solve for x
    x = 6,859,871,425,125,565/99,643,710.70
  6. Step 6: Final answer
    x = 68,843,998.05

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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.