Home / 228,695,335.80-315,599,323.32-124,273,158.72

Finding the Fourth Proportional to 228,695,335.80, 315,599,323.32 and 124,273,158.72

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Solution

The fourth proportional to 228,695,335.80, 315,599,323.32 and 124,273,158.72 is: 171,496,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,695,335.80 : 315,599,323.32 = 124,273,158.72 : x
  2. Step 2: Convert to fraction form
    228,695,335.80/315,599,323.32 = 124,273,158.72/x
  3. Step 3: Cross multiply
    228,695,335.80x = 315,599,323.32 × 124,273,158.72
  4. Step 4: Simplify right side
    228,695,335.80x = 39,220,524,798,870,960
  5. Step 5: Solve for x
    x = 39,220,524,798,870,960/228,695,335.80
  6. Step 6: Final answer
    x = 171,496,828.57

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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.