Home / 124,831,703.40-186,995,612.70-70,916,029.80

Finding the Fourth Proportional to 124,831,703.40, 186,995,612.70 and 70,916,029.80

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Solution

The fourth proportional to 124,831,703.40, 186,995,612.70 and 70,916,029.80 is: 106,230,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,831,703.40 : 186,995,612.70 = 70,916,029.80 : x
  2. Step 2: Convert to fraction form
    124,831,703.40/186,995,612.70 = 70,916,029.80/x
  3. Step 3: Cross multiply
    124,831,703.40x = 186,995,612.70 × 70,916,029.80
  4. Step 4: Simplify right side
    124,831,703.40x = 13,260,986,442,702,458
  5. Step 5: Solve for x
    x = 13,260,986,442,702,458/124,831,703.40
  6. Step 6: Final answer
    x = 106,230,917.96

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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.