Home / 100,567,034,115.84-138,785,857,444.08-54,843,804,254.16

Finding the Fourth Proportional to 100,567,034,115.84, 138,785,857,444.08 and 54,843,804,254.16

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Solution

The fourth proportional to 100,567,034,115.84, 138,785,857,444.08 and 54,843,804,254.16 is: 75,686,276,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,567,034,115.84 : 138,785,857,444.08 = 54,843,804,254.16 : x
  2. Step 2: Convert to fraction form
    100,567,034,115.84/138,785,857,444.08 = 54,843,804,254.16/x
  3. Step 3: Cross multiply
    100,567,034,115.84x = 138,785,857,444.08 × 54,843,804,254.16
  4. Step 4: Simplify right side
    100,567,034,115.84x = 7,611,544,398,908,877,701,120
  5. Step 5: Solve for x
    x = 7,611,544,398,908,877,701,120/100,567,034,115.84
  6. Step 6: Final answer
    x = 75,686,276,977.62

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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.