Home / 105,069,122.10-157,603,683.15-99,116,982.90

Finding the Fourth Proportional to 105,069,122.10, 157,603,683.15 and 99,116,982.90

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Solution

The fourth proportional to 105,069,122.10, 157,603,683.15 and 99,116,982.90 is: 148,675,474.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,069,122.10 : 157,603,683.15 = 99,116,982.90 : x
  2. Step 2: Convert to fraction form
    105,069,122.10/157,603,683.15 = 99,116,982.90/x
  3. Step 3: Cross multiply
    105,069,122.10x = 157,603,683.15 × 99,116,982.90
  4. Step 4: Simplify right side
    105,069,122.10x = 15,621,201,567,755,570
  5. Step 5: Solve for x
    x = 15,621,201,567,755,570/105,069,122.10
  6. Step 6: Final answer
    x = 148,675,474.35

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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.