Home / 120,319,447,064.93-166,044,818,956.27-66,127,916,545.93

Finding the Fourth Proportional to 120,319,447,064.93, 166,044,818,956.27 and 66,127,916,545.93

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Solution

The fourth proportional to 120,319,447,064.93, 166,044,818,956.27 and 66,127,916,545.93 is: 91,258,713,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,319,447,064.93 : 166,044,818,956.27 = 66,127,916,545.93 : x
  2. Step 2: Convert to fraction form
    120,319,447,064.93/166,044,818,956.27 = 66,127,916,545.93/x
  3. Step 3: Cross multiply
    120,319,447,064.93x = 166,044,818,956.27 × 66,127,916,545.93
  4. Step 4: Simplify right side
    120,319,447,064.93x = 10,980,197,930,824,277,950,464
  5. Step 5: Solve for x
    x = 10,980,197,930,824,277,950,464/120,319,447,064.93
  6. Step 6: Final answer
    x = 91,258,713,355.78

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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.