Home / 109,137,820.44-163,708,502.14-31,415,755.16

Finding the Fourth Proportional to 109,137,820.44, 163,708,502.14 and 31,415,755.16

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Solution

The fourth proportional to 109,137,820.44, 163,708,502.14 and 31,415,755.16 is: 47,124,142.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,137,820.44 : 163,708,502.14 = 31,415,755.16 : x
  2. Step 2: Convert to fraction form
    109,137,820.44/163,708,502.14 = 31,415,755.16/x
  3. Step 3: Cross multiply
    109,137,820.44x = 163,708,502.14 × 31,415,755.16
  4. Step 4: Simplify right side
    109,137,820.44x = 5,143,026,220,840,576
  5. Step 5: Solve for x
    x = 5,143,026,220,840,576/109,137,820.44
  6. Step 6: Final answer
    x = 47,124,142.67

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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.