Home / 30,341,740.34-45,503,123.69-10,142,258.42

Finding the Fourth Proportional to 30,341,740.34, 45,503,123.69 and 10,142,258.42

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Solution

The fourth proportional to 30,341,740.34, 45,503,123.69 and 10,142,258.42 is: 15,210,216.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,341,740.34 : 45,503,123.69 = 10,142,258.42 : x
  2. Step 2: Convert to fraction form
    30,341,740.34/45,503,123.69 = 10,142,258.42/x
  3. Step 3: Cross multiply
    30,341,740.34x = 45,503,123.69 × 10,142,258.42
  4. Step 4: Simplify right side
    30,341,740.34x = 461,504,439,520,317.44
  5. Step 5: Solve for x
    x = 461,504,439,520,317.44/30,341,740.34
  6. Step 6: Final answer
    x = 15,210,216.50

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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.