Home / 124,019,712.80-186,029,569.20-37,757,434.40

Finding the Fourth Proportional to 124,019,712.80, 186,029,569.20 and 37,757,434.40

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Solution

The fourth proportional to 124,019,712.80, 186,029,569.20 and 37,757,434.40 is: 56,636,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,019,712.80 : 186,029,569.20 = 37,757,434.40 : x
  2. Step 2: Convert to fraction form
    124,019,712.80/186,029,569.20 = 37,757,434.40/x
  3. Step 3: Cross multiply
    124,019,712.80x = 186,029,569.20 × 37,757,434.40
  4. Step 4: Simplify right side
    124,019,712.80x = 7,023,999,255,529,260
  5. Step 5: Solve for x
    x = 7,023,999,255,529,260/124,019,712.80
  6. Step 6: Final answer
    x = 56,636,151.60

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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.