Home / 50,326,970.02-69,449,811.81-30,492,478.68

Finding the Fourth Proportional to 50,326,970.02, 69,449,811.81 and 30,492,478.68

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Solution

The fourth proportional to 50,326,970.02, 69,449,811.81 and 30,492,478.68 is: 42,078,768.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,326,970.02 : 69,449,811.81 = 30,492,478.68 : x
  2. Step 2: Convert to fraction form
    50,326,970.02/69,449,811.81 = 30,492,478.68/x
  3. Step 3: Cross multiply
    50,326,970.02x = 69,449,811.81 × 30,492,478.68
  4. Step 4: Simplify right side
    50,326,970.02x = 2,117,696,905,686,000.50
  5. Step 5: Solve for x
    x = 2,117,696,905,686,000.50/50,326,970.02
  6. Step 6: Final answer
    x = 42,078,768.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.