Home / 158,104,637,279.24-218,184,399,445.36-90,439,227,497.34

Finding the Fourth Proportional to 158,104,637,279.24, 218,184,399,445.36 and 90,439,227,497.34

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Solution

The fourth proportional to 158,104,637,279.24, 218,184,399,445.36 and 90,439,227,497.34 is: 124,806,133,946.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,104,637,279.24 : 218,184,399,445.36 = 90,439,227,497.34 : x
  2. Step 2: Convert to fraction form
    158,104,637,279.24/218,184,399,445.36 = 90,439,227,497.34/x
  3. Step 3: Cross multiply
    158,104,637,279.24x = 218,184,399,445.36 × 90,439,227,497.34
  4. Step 4: Simplify right side
    158,104,637,279.24x = 19,732,428,537,809,413,865,472
  5. Step 5: Solve for x
    x = 19,732,428,537,809,413,865,472/158,104,637,279.24
  6. Step 6: Final answer
    x = 124,806,133,946.33

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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.