Home / 66,538,052.40-99,657,779.40-54,594,116.40

Finding the Fourth Proportional to 66,538,052.40, 99,657,779.40 and 54,594,116.40

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Solution

The fourth proportional to 66,538,052.40, 99,657,779.40 and 54,594,116.40 is: 81,768,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,538,052.40 : 99,657,779.40 = 54,594,116.40 : x
  2. Step 2: Convert to fraction form
    66,538,052.40/99,657,779.40 = 54,594,116.40/x
  3. Step 3: Cross multiply
    66,538,052.40x = 99,657,779.40 × 54,594,116.40
  4. Step 4: Simplify right side
    66,538,052.40x = 5,440,728,408,729,122
  5. Step 5: Solve for x
    x = 5,440,728,408,729,122/66,538,052.40
  6. Step 6: Final answer
    x = 81,768,675.40

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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.