Home / 106,292,567.70-159,438,851.55-80,594,442.90

Finding the Fourth Proportional to 106,292,567.70, 159,438,851.55 and 80,594,442.90

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Solution

The fourth proportional to 106,292,567.70, 159,438,851.55 and 80,594,442.90 is: 120,891,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,292,567.70 : 159,438,851.55 = 80,594,442.90 : x
  2. Step 2: Convert to fraction form
    106,292,567.70/159,438,851.55 = 80,594,442.90/x
  3. Step 3: Cross multiply
    106,292,567.70x = 159,438,851.55 × 80,594,442.90
  4. Step 4: Simplify right side
    106,292,567.70x = 12,849,885,417,288,054
  5. Step 5: Solve for x
    x = 12,849,885,417,288,054/106,292,567.70
  6. Step 6: Final answer
    x = 120,891,664.35

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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.