Home / 103,140,225,685.85-154,727,130,542.31-30,458,726,323.43

Finding the Fourth Proportional to 103,140,225,685.85, 154,727,130,542.31 and 30,458,726,323.43

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Solution

The fourth proportional to 103,140,225,685.85, 154,727,130,542.31 and 30,458,726,323.43 is: 45,693,048,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,140,225,685.85 : 154,727,130,542.31 = 30,458,726,323.43 : x
  2. Step 2: Convert to fraction form
    103,140,225,685.85/154,727,130,542.31 = 30,458,726,323.43/x
  3. Step 3: Cross multiply
    103,140,225,685.85x = 154,727,130,542.31 × 30,458,726,323.43
  4. Step 4: Simplify right side
    103,140,225,685.85x = 4,712,791,323,997,228,236,800
  5. Step 5: Solve for x
    x = 4,712,791,323,997,228,236,800/103,140,225,685.85
  6. Step 6: Final answer
    x = 45,693,048,397.54

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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.