Home / 84,259,141.68-116,281,206.56-47,089,420.86

Finding the Fourth Proportional to 84,259,141.68, 116,281,206.56 and 47,089,420.86

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Solution

The fourth proportional to 84,259,141.68, 116,281,206.56 and 47,089,420.86 is: 64,985,407.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,259,141.68 : 116,281,206.56 = 47,089,420.86 : x
  2. Step 2: Convert to fraction form
    84,259,141.68/116,281,206.56 = 47,089,420.86/x
  3. Step 3: Cross multiply
    84,259,141.68x = 116,281,206.56 × 47,089,420.86
  4. Step 4: Simplify right side
    84,259,141.68x = 5,475,614,673,812,433
  5. Step 5: Solve for x
    x = 5,475,614,673,812,433/84,259,141.68
  6. Step 6: Final answer
    x = 64,985,407.69

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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.