Home / 140,895,491.60-211,343,237.40-89,239,426.40

Finding the Fourth Proportional to 140,895,491.60, 211,343,237.40 and 89,239,426.40

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Solution

The fourth proportional to 140,895,491.60, 211,343,237.40 and 89,239,426.40 is: 133,859,139.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,895,491.60 : 211,343,237.40 = 89,239,426.40 : x
  2. Step 2: Convert to fraction form
    140,895,491.60/211,343,237.40 = 89,239,426.40/x
  3. Step 3: Cross multiply
    140,895,491.60x = 211,343,237.40 × 89,239,426.40
  4. Step 4: Simplify right side
    140,895,491.60x = 18,860,149,279,095,028
  5. Step 5: Solve for x
    x = 18,860,149,279,095,028/140,895,491.60
  6. Step 6: Final answer
    x = 133,859,139.60

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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.