Home / 103,140,225,679.92-154,727,130,533.46-30,458,726,317.56

Finding the Fourth Proportional to 103,140,225,679.92, 154,727,130,533.46 and 30,458,726,317.56

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Solution

The fourth proportional to 103,140,225,679.92, 154,727,130,533.46 and 30,458,726,317.56 is: 45,693,048,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,140,225,679.92 : 154,727,130,533.46 = 30,458,726,317.56 : x
  2. Step 2: Convert to fraction form
    103,140,225,679.92/154,727,130,533.46 = 30,458,726,317.56/x
  3. Step 3: Cross multiply
    103,140,225,679.92x = 154,727,130,533.46 × 30,458,726,317.56
  4. Step 4: Simplify right side
    103,140,225,679.92x = 4,712,791,322,820,039,671,808
  5. Step 5: Solve for x
    x = 4,712,791,322,820,039,671,808/103,140,225,679.92
  6. Step 6: Final answer
    x = 45,693,048,388.76

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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.