Home / 140,094,004.40-210,141,006.60-89,201,639.60

Finding the Fourth Proportional to 140,094,004.40, 210,141,006.60 and 89,201,639.60

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Solution

The fourth proportional to 140,094,004.40, 210,141,006.60 and 89,201,639.60 is: 133,802,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,094,004.40 : 210,141,006.60 = 89,201,639.60 : x
  2. Step 2: Convert to fraction form
    140,094,004.40/210,141,006.60 = 89,201,639.60/x
  3. Step 3: Cross multiply
    140,094,004.40x = 210,141,006.60 × 89,201,639.60
  4. Step 4: Simplify right side
    140,094,004.40x = 18,744,922,335,914,420
  5. Step 5: Solve for x
    x = 18,744,922,335,914,420/140,094,004.40
  6. Step 6: Final answer
    x = 133,802,459.40

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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.