Home / 115,348,271.45-159,181,607.27-65,791,155.35

Finding the Fourth Proportional to 115,348,271.45, 159,181,607.27 and 65,791,155.35

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Solution

The fourth proportional to 115,348,271.45, 159,181,607.27 and 65,791,155.35 is: 90,792,360.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,348,271.45 : 159,181,607.27 = 65,791,155.35 : x
  2. Step 2: Convert to fraction form
    115,348,271.45/159,181,607.27 = 65,791,155.35/x
  3. Step 3: Cross multiply
    115,348,271.45x = 159,181,607.27 × 65,791,155.35
  4. Step 4: Simplify right side
    115,348,271.45x = 10,472,741,851,638,394
  5. Step 5: Solve for x
    x = 10,472,741,851,638,394/115,348,271.45
  6. Step 6: Final answer
    x = 90,792,360.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.