Home / 158,104,637,280.74-218,184,399,447.43-90,439,227,498.84

Finding the Fourth Proportional to 158,104,637,280.74, 218,184,399,447.43 and 90,439,227,498.84

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Solution

The fourth proportional to 158,104,637,280.74, 218,184,399,447.43 and 90,439,227,498.84 is: 124,806,133,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,104,637,280.74 : 218,184,399,447.43 = 90,439,227,498.84 : x
  2. Step 2: Convert to fraction form
    158,104,637,280.74/218,184,399,447.43 = 90,439,227,498.84/x
  3. Step 3: Cross multiply
    158,104,637,280.74x = 218,184,399,447.43 × 90,439,227,498.84
  4. Step 4: Simplify right side
    158,104,637,280.74x = 19,732,428,538,323,899,777,024
  5. Step 5: Solve for x
    x = 19,732,428,538,323,899,777,024/158,104,637,280.74
  6. Step 6: Final answer
    x = 124,806,133,948.40

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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.