Home / 151,544,891,511.22-209,117,644,665.35-90,565,118,462.92

Finding the Fourth Proportional to 151,544,891,511.22, 209,117,644,665.35 and 90,565,118,462.92

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Solution

The fourth proportional to 151,544,891,511.22, 209,117,644,665.35 and 90,565,118,462.92 is: 124,971,314,261.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,544,891,511.22 : 209,117,644,665.35 = 90,565,118,462.92 : x
  2. Step 2: Convert to fraction form
    151,544,891,511.22/209,117,644,665.35 = 90,565,118,462.92/x
  3. Step 3: Cross multiply
    151,544,891,511.22x = 209,117,644,665.35 × 90,565,118,462.92
  4. Step 4: Simplify right side
    151,544,891,511.22x = 18,938,764,261,803,606,147,072
  5. Step 5: Solve for x
    x = 18,938,764,261,803,606,147,072/151,544,891,511.22
  6. Step 6: Final answer
    x = 124,971,314,261.70

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1.5x scale

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.