Home / 129,539,556.90-194,025,900.15-112,533,444.90

Finding the Fourth Proportional to 129,539,556.90, 194,025,900.15 and 112,533,444.90

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Solution

The fourth proportional to 129,539,556.90, 194,025,900.15 and 112,533,444.90 is: 168,553,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,539,556.90 : 194,025,900.15 = 112,533,444.90 : x
  2. Step 2: Convert to fraction form
    129,539,556.90/194,025,900.15 = 112,533,444.90/x
  3. Step 3: Cross multiply
    129,539,556.90x = 194,025,900.15 × 112,533,444.90
  4. Step 4: Simplify right side
    129,539,556.90x = 21,834,402,943,702,928
  5. Step 5: Solve for x
    x = 21,834,402,943,702,928/129,539,556.90
  6. Step 6: Final answer
    x = 168,553,941.87

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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.