Home / 84,259,142.05-116,281,207.08-47,089,421.24

Finding the Fourth Proportional to 84,259,142.05, 116,281,207.08 and 47,089,421.24

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Solution

The fourth proportional to 84,259,142.05, 116,281,207.08 and 47,089,421.24 is: 64,985,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,259,142.05 : 116,281,207.08 = 47,089,421.24 : x
  2. Step 2: Convert to fraction form
    84,259,142.05/116,281,207.08 = 47,089,421.24/x
  3. Step 3: Cross multiply
    84,259,142.05x = 116,281,207.08 × 47,089,421.24
  4. Step 4: Simplify right side
    84,259,142.05x = 5,475,614,742,485,791
  5. Step 5: Solve for x
    x = 5,475,614,742,485,791/84,259,142.05
  6. Step 6: Final answer
    x = 64,985,408.22

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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.