Home / 71,442,025.70-107,163,038.55-70,938,140.90

Finding the Fourth Proportional to 71,442,025.70, 107,163,038.55 and 70,938,140.90

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Solution

The fourth proportional to 71,442,025.70, 107,163,038.55 and 70,938,140.90 is: 106,407,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,442,025.70 : 107,163,038.55 = 70,938,140.90 : x
  2. Step 2: Convert to fraction form
    71,442,025.70/107,163,038.55 = 70,938,140.90/x
  3. Step 3: Cross multiply
    71,442,025.70x = 107,163,038.55 × 70,938,140.90
  4. Step 4: Simplify right side
    71,442,025.70x = 7,601,946,727,932,032
  5. Step 5: Solve for x
    x = 7,601,946,727,932,032/71,442,025.70
  6. Step 6: Final answer
    x = 106,407,211.35

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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.