Home / 225,088,248.57-310,621,783.02-122,071,800.57

Finding the Fourth Proportional to 225,088,248.57, 310,621,783.02 and 122,071,800.57

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Solution

The fourth proportional to 225,088,248.57, 310,621,783.02 and 122,071,800.57 is: 168,459,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,088,248.57 : 310,621,783.02 = 122,071,800.57 : x
  2. Step 2: Convert to fraction form
    225,088,248.57/310,621,783.02 = 122,071,800.57/x
  3. Step 3: Cross multiply
    225,088,248.57x = 310,621,783.02 × 122,071,800.57
  4. Step 4: Simplify right side
    225,088,248.57x = 37,918,160,349,515,248
  5. Step 5: Solve for x
    x = 37,918,160,349,515,248/225,088,248.57
  6. Step 6: Final answer
    x = 168,459,084.78

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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.