Home / 129,060,268.96-178,101,056.40-70,323,630.88

Finding the Fourth Proportional to 129,060,268.96, 178,101,056.40 and 70,323,630.88

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Solution

The fourth proportional to 129,060,268.96, 178,101,056.40 and 70,323,630.88 is: 97,045,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,060,268.96 : 178,101,056.40 = 70,323,630.88 : x
  2. Step 2: Convert to fraction form
    129,060,268.96/178,101,056.40 = 70,323,630.88/x
  3. Step 3: Cross multiply
    129,060,268.96x = 178,101,056.40 × 70,323,630.88
  4. Step 4: Simplify right side
    129,060,268.96x = 12,524,712,949,611,662
  5. Step 5: Solve for x
    x = 12,524,712,949,611,662/129,060,268.96
  6. Step 6: Final answer
    x = 97,045,458.30

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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.