Home / 272,831,336.56-376,506,665.40-149,072,901.04

Finding the Fourth Proportional to 272,831,336.56, 376,506,665.40 and 149,072,901.04

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Solution

The fourth proportional to 272,831,336.56, 376,506,665.40 and 149,072,901.04 is: 205,720,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,831,336.56 : 376,506,665.40 = 149,072,901.04 : x
  2. Step 2: Convert to fraction form
    272,831,336.56/376,506,665.40 = 149,072,901.04/x
  3. Step 3: Cross multiply
    272,831,336.56x = 376,506,665.40 × 149,072,901.04
  4. Step 4: Simplify right side
    272,831,336.56x = 56,126,940,872,074,584
  5. Step 5: Solve for x
    x = 56,126,940,872,074,584/272,831,336.56
  6. Step 6: Final answer
    x = 205,720,287.05

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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.