Home / 120,319,447,062.43-166,044,818,952.83-66,127,916,543.43

Finding the Fourth Proportional to 120,319,447,062.43, 166,044,818,952.83 and 66,127,916,543.43

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Solution

The fourth proportional to 120,319,447,062.43, 166,044,818,952.83 and 66,127,916,543.43 is: 91,258,713,352.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,319,447,062.43 : 166,044,818,952.83 = 66,127,916,543.43 : x
  2. Step 2: Convert to fraction form
    120,319,447,062.43/166,044,818,952.83 = 66,127,916,543.43/x
  3. Step 3: Cross multiply
    120,319,447,062.43x = 166,044,818,952.83 × 66,127,916,543.43
  4. Step 4: Simplify right side
    120,319,447,062.43x = 10,980,197,930,181,685,411,840
  5. Step 5: Solve for x
    x = 10,980,197,930,181,685,411,840/120,319,447,062.43
  6. Step 6: Final answer
    x = 91,258,713,352.33

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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.