Home / 126,537,150.21-189,756,653.81-43,523,117.66

Finding the Fourth Proportional to 126,537,150.21, 189,756,653.81 and 43,523,117.66

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Solution

The fourth proportional to 126,537,150.21, 189,756,653.81 and 43,523,117.66 is: 65,267,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,537,150.21 : 189,756,653.81 = 43,523,117.66 : x
  2. Step 2: Convert to fraction form
    126,537,150.21/189,756,653.81 = 43,523,117.66/x
  3. Step 3: Cross multiply
    126,537,150.21x = 189,756,653.81 × 43,523,117.66
  4. Step 4: Simplify right side
    126,537,150.21x = 8,258,801,169,374,119
  5. Step 5: Solve for x
    x = 8,258,801,169,374,119/126,537,150.21
  6. Step 6: Final answer
    x = 65,267,798.08

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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.