Home / 140,030,341.60-193,228,058.64-77,302,366.24

Finding the Fourth Proportional to 140,030,341.60, 193,228,058.64 and 77,302,366.24

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Solution

The fourth proportional to 140,030,341.60, 193,228,058.64 and 77,302,366.24 is: 106,669,640.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,030,341.60 : 193,228,058.64 = 77,302,366.24 : x
  2. Step 2: Convert to fraction form
    140,030,341.60/193,228,058.64 = 77,302,366.24/x
  3. Step 3: Cross multiply
    140,030,341.60x = 193,228,058.64 × 77,302,366.24
  4. Step 4: Simplify right side
    140,030,341.60x = 14,936,986,156,833,474
  5. Step 5: Solve for x
    x = 14,936,986,156,833,474/140,030,341.60
  6. Step 6: Final answer
    x = 106,669,640.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.