Home / 120,799,081,681.76-166,710,173,569.62-66,605,462,724.08

Finding the Fourth Proportional to 120,799,081,681.76, 166,710,173,569.62 and 66,605,462,724.08

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Solution

The fourth proportional to 120,799,081,681.76, 166,710,173,569.62 and 66,605,462,724.08 is: 91,919,641,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,799,081,681.76 : 166,710,173,569.62 = 66,605,462,724.08 : x
  2. Step 2: Convert to fraction form
    120,799,081,681.76/166,710,173,569.62 = 66,605,462,724.08/x
  3. Step 3: Cross multiply
    120,799,081,681.76x = 166,710,173,569.62 × 66,605,462,724.08
  4. Step 4: Simplify right side
    120,799,081,681.76x = 11,103,808,251,416,230,756,352
  5. Step 5: Solve for x
    x = 11,103,808,251,416,230,756,352/120,799,081,681.76
  6. Step 6: Final answer
    x = 91,919,641,249.17

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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.