Home / 126,323,957.60-189,485,936.40-124,623,346.40

Finding the Fourth Proportional to 126,323,957.60, 189,485,936.40 and 124,623,346.40

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Solution

The fourth proportional to 126,323,957.60, 189,485,936.40 and 124,623,346.40 is: 186,935,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,323,957.60 : 189,485,936.40 = 124,623,346.40 : x
  2. Step 2: Convert to fraction form
    126,323,957.60/189,485,936.40 = 124,623,346.40/x
  3. Step 3: Cross multiply
    126,323,957.60x = 189,485,936.40 × 124,623,346.40
  4. Step 4: Simplify right side
    126,323,957.60x = 23,614,371,489,905,572
  5. Step 5: Solve for x
    x = 23,614,371,489,905,572/126,323,957.60
  6. Step 6: Final answer
    x = 186,935,019.60

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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.