Home / 60,672,051.20-91,008,076.80-39,172,966.40

Finding the Fourth Proportional to 60,672,051.20, 91,008,076.80 and 39,172,966.40

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Solution

The fourth proportional to 60,672,051.20, 91,008,076.80 and 39,172,966.40 is: 58,759,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,672,051.20 : 91,008,076.80 = 39,172,966.40 : x
  2. Step 2: Convert to fraction form
    60,672,051.20/91,008,076.80 = 39,172,966.40/x
  3. Step 3: Cross multiply
    60,672,051.20x = 91,008,076.80 × 39,172,966.40
  4. Step 4: Simplify right side
    60,672,051.20x = 3,565,056,334,615,019.50
  5. Step 5: Solve for x
    x = 3,565,056,334,615,019.50/60,672,051.20
  6. Step 6: Final answer
    x = 58,759,449.60

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1.5x scale

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.