Home / 228,374,730-315,157,473.72-123,952,839.48

Finding the Fourth Proportional to 228,374,730, 315,157,473.72 and 123,952,839.48

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Solution

The fourth proportional to 228,374,730, 315,157,473.72 and 123,952,839.48 is: 171,055,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,374,730 : 315,157,473.72 = 123,952,839.48 : x
  2. Step 2: Convert to fraction form
    228,374,730/315,157,473.72 = 123,952,839.48/x
  3. Step 3: Cross multiply
    228,374,730x = 315,157,473.72 × 123,952,839.48
  4. Step 4: Simplify right side
    228,374,730x = 39,064,663,750,937,480
  5. Step 5: Solve for x
    x = 39,064,663,750,937,480/228,374,730
  6. Step 6: Final answer
    x = 171,055,106.45

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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.