Home / 151,544,891,515.04-209,117,644,670.56-90,565,118,466.72

Finding the Fourth Proportional to 151,544,891,515.04, 209,117,644,670.56 and 90,565,118,466.72

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Solution

The fourth proportional to 151,544,891,515.04, 209,117,644,670.56 and 90,565,118,466.72 is: 124,971,314,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,544,891,515.04 : 209,117,644,670.56 = 90,565,118,466.72 : x
  2. Step 2: Convert to fraction form
    151,544,891,515.04/209,117,644,670.56 = 90,565,118,466.72/x
  3. Step 3: Cross multiply
    151,544,891,515.04x = 209,117,644,670.56 × 90,565,118,466.72
  4. Step 4: Simplify right side
    151,544,891,515.04x = 18,938,764,263,070,726,356,992
  5. Step 5: Solve for x
    x = 18,938,764,263,070,726,356,992/151,544,891,515.04
  6. Step 6: Final answer
    x = 124,971,314,266.91

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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.