Home / 140,006,407.80-210,009,611.70-127,241,326.20

Finding the Fourth Proportional to 140,006,407.80, 210,009,611.70 and 127,241,326.20

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Solution

The fourth proportional to 140,006,407.80, 210,009,611.70 and 127,241,326.20 is: 190,861,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,006,407.80 : 210,009,611.70 = 127,241,326.20 : x
  2. Step 2: Convert to fraction form
    140,006,407.80/210,009,611.70 = 127,241,326.20/x
  3. Step 3: Cross multiply
    140,006,407.80x = 210,009,611.70 × 127,241,326.20
  4. Step 4: Simplify right side
    140,006,407.80x = 26,721,901,507,455,036
  5. Step 5: Solve for x
    x = 26,721,901,507,455,036/140,006,407.80
  6. Step 6: Final answer
    x = 190,861,989.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.