Home / 158,104,637,290.42-218,184,399,460.76-90,439,227,508.52

Finding the Fourth Proportional to 158,104,637,290.42, 218,184,399,460.76 and 90,439,227,508.52

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Solution

The fourth proportional to 158,104,637,290.42, 218,184,399,460.76 and 90,439,227,508.52 is: 124,806,133,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,104,637,290.42 : 218,184,399,460.76 = 90,439,227,508.52 : x
  2. Step 2: Convert to fraction form
    158,104,637,290.42/218,184,399,460.76 = 90,439,227,508.52/x
  3. Step 3: Cross multiply
    158,104,637,290.42x = 218,184,399,460.76 × 90,439,227,508.52
  4. Step 4: Simplify right side
    158,104,637,290.42x = 19,732,428,541,641,485,189,120
  5. Step 5: Solve for x
    x = 19,732,428,541,641,485,189,120/158,104,637,290.42
  6. Step 6: Final answer
    x = 124,806,133,961.75

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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.