Home / 60,200,231.40-90,300,347.10-42,060,378.60

Finding the Fourth Proportional to 60,200,231.40, 90,300,347.10 and 42,060,378.60

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Solution

The fourth proportional to 60,200,231.40, 90,300,347.10 and 42,060,378.60 is: 63,090,567.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,200,231.40 : 90,300,347.10 = 42,060,378.60 : x
  2. Step 2: Convert to fraction form
    60,200,231.40/90,300,347.10 = 42,060,378.60/x
  3. Step 3: Cross multiply
    60,200,231.40x = 90,300,347.10 × 42,060,378.60
  4. Step 4: Simplify right side
    60,200,231.40x = 3,798,066,786,737,412
  5. Step 5: Solve for x
    x = 3,798,066,786,737,412/60,200,231.40
  6. Step 6: Final answer
    x = 63,090,567.90

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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.