Home / 128,007,316.86-176,650,562.37-69,269,975.29

Finding the Fourth Proportional to 128,007,316.86, 176,650,562.37 and 69,269,975.29

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Solution

The fourth proportional to 128,007,316.86, 176,650,562.37 and 69,269,975.29 is: 95,592,817.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,007,316.86 : 176,650,562.37 = 69,269,975.29 : x
  2. Step 2: Convert to fraction form
    128,007,316.86/176,650,562.37 = 69,269,975.29/x
  3. Step 3: Cross multiply
    128,007,316.86x = 176,650,562.37 × 69,269,975.29
  4. Step 4: Simplify right side
    128,007,316.86x = 12,236,580,090,334,506
  5. Step 5: Solve for x
    x = 12,236,580,090,334,506/128,007,316.86
  6. Step 6: Final answer
    x = 95,592,817.59

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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.