Home / 52,112,078.28-78,168,678.66-15,720,783.93

Finding the Fourth Proportional to 52,112,078.28, 78,168,678.66 and 15,720,783.93

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Solution

The fourth proportional to 52,112,078.28, 78,168,678.66 and 15,720,783.93 is: 23,581,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,078.28 : 78,168,678.66 = 15,720,783.93 : x
  2. Step 2: Convert to fraction form
    52,112,078.28/78,168,678.66 = 15,720,783.93/x
  3. Step 3: Cross multiply
    52,112,078.28x = 78,168,678.66 × 15,720,783.93
  4. Step 4: Simplify right side
    52,112,078.28x = 1,228,872,907,307,461.75
  5. Step 5: Solve for x
    x = 1,228,872,907,307,461.75/52,112,078.28
  6. Step 6: Final answer
    x = 23,581,345.21

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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.