Home / 60,461,854.40-90,634,720.80-20,051,537.60

Finding the Fourth Proportional to 60,461,854.40, 90,634,720.80 and 20,051,537.60

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Solution

The fourth proportional to 60,461,854.40, 90,634,720.80 and 20,051,537.60 is: 30,058,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,461,854.40 : 90,634,720.80 = 20,051,537.60 : x
  2. Step 2: Convert to fraction form
    60,461,854.40/90,634,720.80 = 20,051,537.60/x
  3. Step 3: Cross multiply
    60,461,854.40x = 90,634,720.80 × 20,051,537.60
  4. Step 4: Simplify right side
    60,461,854.40x = 1,817,365,511,986,702.25
  5. Step 5: Solve for x
    x = 1,817,365,511,986,702.25/60,461,854.40
  6. Step 6: Final answer
    x = 30,058,051.15

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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.