Home / 129,056,080.70-178,097,417.01-70,318,745.82

Finding the Fourth Proportional to 129,056,080.70, 178,097,417.01 and 70,318,745.82

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Solution

The fourth proportional to 129,056,080.70, 178,097,417.01 and 70,318,745.82 is: 97,039,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,056,080.70 : 178,097,417.01 = 70,318,745.82 : x
  2. Step 2: Convert to fraction form
    129,056,080.70/178,097,417.01 = 70,318,745.82/x
  3. Step 3: Cross multiply
    129,056,080.70x = 178,097,417.01 × 70,318,745.82
  4. Step 4: Simplify right side
    129,056,080.70x = 12,523,586,997,924,732
  5. Step 5: Solve for x
    x = 12,523,586,997,924,732/129,056,080.70
  6. Step 6: Final answer
    x = 97,039,883.20

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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.