Home / 162,022,782.67-223,592,153.15-87,683,354.55

Finding the Fourth Proportional to 162,022,782.67, 223,592,153.15 and 87,683,354.55

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Solution

The fourth proportional to 162,022,782.67, 223,592,153.15 and 87,683,354.55 is: 121,003,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,022,782.67 : 223,592,153.15 = 87,683,354.55 : x
  2. Step 2: Convert to fraction form
    162,022,782.67/223,592,153.15 = 87,683,354.55/x
  3. Step 3: Cross multiply
    162,022,782.67x = 223,592,153.15 × 87,683,354.55
  4. Step 4: Simplify right side
    162,022,782.67x = 19,605,310,039,468,556
  5. Step 5: Solve for x
    x = 19,605,310,039,468,556/162,022,782.67
  6. Step 6: Final answer
    x = 121,003,415.18

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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.