Home / 74,742,609.60-103,144,635.36-42,147,334.08

Finding the Fourth Proportional to 74,742,609.60, 103,144,635.36 and 42,147,334.08

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Solution

The fourth proportional to 74,742,609.60, 103,144,635.36 and 42,147,334.08 is: 58,163,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,742,609.60 : 103,144,635.36 = 42,147,334.08 : x
  2. Step 2: Convert to fraction form
    74,742,609.60/103,144,635.36 = 42,147,334.08/x
  3. Step 3: Cross multiply
    74,742,609.60x = 103,144,635.36 × 42,147,334.08
  4. Step 4: Simplify right side
    74,742,609.60x = 4,347,271,405,077,701
  5. Step 5: Solve for x
    x = 4,347,271,405,077,701/74,742,609.60
  6. Step 6: Final answer
    x = 58,163,227.49

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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.