Home / 52,742,494.80-79,113,742.20-31,201,419.60

Finding the Fourth Proportional to 52,742,494.80, 79,113,742.20 and 31,201,419.60

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Solution

The fourth proportional to 52,742,494.80, 79,113,742.20 and 31,201,419.60 is: 46,802,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,742,494.80 : 79,113,742.20 = 31,201,419.60 : x
  2. Step 2: Convert to fraction form
    52,742,494.80/79,113,742.20 = 31,201,419.60/x
  3. Step 3: Cross multiply
    52,742,494.80x = 79,113,742.20 × 31,201,419.60
  4. Step 4: Simplify right side
    52,742,494.80x = 2,468,461,066,508,427.50
  5. Step 5: Solve for x
    x = 2,468,461,066,508,427.50/52,742,494.80
  6. Step 6: Final answer
    x = 46,802,129.40

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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.