Home / 132,980,286,990.96-183,512,973,018.69-72,012,759,436.80

Finding the Fourth Proportional to 132,980,286,990.96, 183,512,973,018.69 and 72,012,759,436.80

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Solution

The fourth proportional to 132,980,286,990.96, 183,512,973,018.69 and 72,012,759,436.80 is: 99,377,703,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,980,286,990.96 : 183,512,973,018.69 = 72,012,759,436.80 : x
  2. Step 2: Convert to fraction form
    132,980,286,990.96/183,512,973,018.69 = 72,012,759,436.80/x
  3. Step 3: Cross multiply
    132,980,286,990.96x = 183,512,973,018.69 × 72,012,759,436.80
  4. Step 4: Simplify right side
    132,980,286,990.96x = 13,215,275,579,526,891,962,368
  5. Step 5: Solve for x
    x = 13,215,275,579,526,891,962,368/132,980,286,990.96
  6. Step 6: Final answer
    x = 99,377,703,857.91

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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.