Home / 119,581,983.90-165,023,136.81-64,577,835.54

Finding the Fourth Proportional to 119,581,983.90, 165,023,136.81 and 64,577,835.54

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Solution

The fourth proportional to 119,581,983.90, 165,023,136.81 and 64,577,835.54 is: 89,117,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,581,983.90 : 165,023,136.81 = 64,577,835.54 : x
  2. Step 2: Convert to fraction form
    119,581,983.90/165,023,136.81 = 64,577,835.54/x
  3. Step 3: Cross multiply
    119,581,983.90x = 165,023,136.81 × 64,577,835.54
  4. Step 4: Simplify right side
    119,581,983.90x = 10,656,836,989,211,100
  5. Step 5: Solve for x
    x = 10,656,836,989,211,100/119,581,983.90
  6. Step 6: Final answer
    x = 89,117,412.52

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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.