Home / 158,104,637,280.73-218,184,399,447.42-90,439,227,498.84

Finding the Fourth Proportional to 158,104,637,280.73, 218,184,399,447.42 and 90,439,227,498.84

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Solution

The fourth proportional to 158,104,637,280.73, 218,184,399,447.42 and 90,439,227,498.84 is: 124,806,133,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,104,637,280.73 : 218,184,399,447.42 = 90,439,227,498.84 : x
  2. Step 2: Convert to fraction form
    158,104,637,280.73/218,184,399,447.42 = 90,439,227,498.84/x
  3. Step 3: Cross multiply
    158,104,637,280.73x = 218,184,399,447.42 × 90,439,227,498.84
  4. Step 4: Simplify right side
    158,104,637,280.73x = 19,732,428,538,322,998,001,664
  5. Step 5: Solve for x
    x = 19,732,428,538,322,998,001,664/158,104,637,280.73
  6. Step 6: Final answer
    x = 124,806,133,948.41

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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.