Home / 103,189,134.51-154,735,871.40-38,475,563.94

Finding the Fourth Proportional to 103,189,134.51, 154,735,871.40 and 38,475,563.94

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Solution

The fourth proportional to 103,189,134.51, 154,735,871.40 and 38,475,563.94 is: 57,695,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,189,134.51 : 154,735,871.40 = 38,475,563.94 : x
  2. Step 2: Convert to fraction form
    103,189,134.51/154,735,871.40 = 38,475,563.94/x
  3. Step 3: Cross multiply
    103,189,134.51x = 154,735,871.40 × 38,475,563.94
  4. Step 4: Simplify right side
    103,189,134.51x = 5,953,549,913,862,317
  5. Step 5: Solve for x
    x = 5,953,549,913,862,317/103,189,134.51
  6. Step 6: Final answer
    x = 57,695,511.67

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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.