Home / 126,249,725.41-189,207,173.26-64,836,403.45

Finding the Fourth Proportional to 126,249,725.41, 189,207,173.26 and 64,836,403.45

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Solution

The fourth proportional to 126,249,725.41, 189,207,173.26 and 64,836,403.45 is: 97,168,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,249,725.41 : 189,207,173.26 = 64,836,403.45 : x
  2. Step 2: Convert to fraction form
    126,249,725.41/189,207,173.26 = 64,836,403.45/x
  3. Step 3: Cross multiply
    126,249,725.41x = 189,207,173.26 × 64,836,403.45
  4. Step 4: Simplify right side
    126,249,725.41x = 12,267,512,621,119,412
  5. Step 5: Solve for x
    x = 12,267,512,621,119,412/126,249,725.41
  6. Step 6: Final answer
    x = 97,168,628.14

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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.