Home / 126,615,881.80-189,923,822.70-106,208,547.40

Finding the Fourth Proportional to 126,615,881.80, 189,923,822.70 and 106,208,547.40

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Solution

The fourth proportional to 126,615,881.80, 189,923,822.70 and 106,208,547.40 is: 159,312,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,615,881.80 : 189,923,822.70 = 106,208,547.40 : x
  2. Step 2: Convert to fraction form
    126,615,881.80/189,923,822.70 = 106,208,547.40/x
  3. Step 3: Cross multiply
    126,615,881.80x = 189,923,822.70 × 106,208,547.40
  4. Step 4: Simplify right side
    126,615,881.80x = 20,171,533,325,622,144
  5. Step 5: Solve for x
    x = 20,171,533,325,622,144/126,615,881.80
  6. Step 6: Final answer
    x = 159,312,821.10

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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.