Home / 99,852,017.40-149,792,022.90-39,253,649.40

Finding the Fourth Proportional to 99,852,017.40, 149,792,022.90 and 39,253,649.40

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Solution

The fourth proportional to 99,852,017.40, 149,792,022.90 and 39,253,649.40 is: 58,885,976.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,852,017.40 : 149,792,022.90 = 39,253,649.40 : x
  2. Step 2: Convert to fraction form
    99,852,017.40/149,792,022.90 = 39,253,649.40/x
  3. Step 3: Cross multiply
    99,852,017.40x = 149,792,022.90 × 39,253,649.40
  4. Step 4: Simplify right side
    99,852,017.40x = 5,879,883,549,833,371
  5. Step 5: Solve for x
    x = 5,879,883,549,833,371/99,852,017.40
  6. Step 6: Final answer
    x = 58,885,976.50

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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.