Home / 115,925,112.70-173,887,669.05-70,575,480.70

Finding the Fourth Proportional to 115,925,112.70, 173,887,669.05 and 70,575,480.70

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Solution

The fourth proportional to 115,925,112.70, 173,887,669.05 and 70,575,480.70 is: 105,863,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,925,112.70 : 173,887,669.05 = 70,575,480.70 : x
  2. Step 2: Convert to fraction form
    115,925,112.70/173,887,669.05 = 70,575,480.70/x
  3. Step 3: Cross multiply
    115,925,112.70x = 173,887,669.05 × 70,575,480.70
  4. Step 4: Simplify right side
    115,925,112.70x = 12,272,205,831,006,264
  5. Step 5: Solve for x
    x = 12,272,205,831,006,264/115,925,112.70
  6. Step 6: Final answer
    x = 105,863,221.05

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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.