Home / 93,272,398.96-128,649,264.52-80,860,299.16

Finding the Fourth Proportional to 93,272,398.96, 128,649,264.52 and 80,860,299.16

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Solution

The fourth proportional to 93,272,398.96, 128,649,264.52 and 80,860,299.16 is: 111,529,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,272,398.96 : 128,649,264.52 = 80,860,299.16 : x
  2. Step 2: Convert to fraction form
    93,272,398.96/128,649,264.52 = 80,860,299.16/x
  3. Step 3: Cross multiply
    93,272,398.96x = 128,649,264.52 × 80,860,299.16
  4. Step 4: Simplify right side
    93,272,398.96x = 10,402,618,015,801,174
  5. Step 5: Solve for x
    x = 10,402,618,015,801,174/93,272,398.96
  6. Step 6: Final answer
    x = 111,529,435.63

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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.