Home / 74,088,289.20-111,132,433.80-69,931,239.60

Finding the Fourth Proportional to 74,088,289.20, 111,132,433.80 and 69,931,239.60

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Solution

The fourth proportional to 74,088,289.20, 111,132,433.80 and 69,931,239.60 is: 104,896,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,088,289.20 : 111,132,433.80 = 69,931,239.60 : x
  2. Step 2: Convert to fraction form
    74,088,289.20/111,132,433.80 = 69,931,239.60/x
  3. Step 3: Cross multiply
    74,088,289.20x = 111,132,433.80 × 69,931,239.60
  4. Step 4: Simplify right side
    74,088,289.20x = 7,771,628,855,398,938
  5. Step 5: Solve for x
    x = 7,771,628,855,398,938/74,088,289.20
  6. Step 6: Final answer
    x = 104,896,859.40

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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.