Home / 91,126,848.69-125,755,384.48-49,310,914.32

Finding the Fourth Proportional to 91,126,848.69, 125,755,384.48 and 49,310,914.32

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Solution

The fourth proportional to 91,126,848.69, 125,755,384.48 and 49,310,914.32 is: 68,049,242.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,126,848.69 : 125,755,384.48 = 49,310,914.32 : x
  2. Step 2: Convert to fraction form
    91,126,848.69/125,755,384.48 = 49,310,914.32/x
  3. Step 3: Cross multiply
    91,126,848.69x = 125,755,384.48 × 49,310,914.32
  4. Step 4: Simplify right side
    91,126,848.69x = 6,201,112,989,248,661
  5. Step 5: Solve for x
    x = 6,201,112,989,248,661/91,126,848.69
  6. Step 6: Final answer
    x = 68,049,242.11

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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.