Home / 82,674,462,002.80-124,011,693,004.20-72,878,941,490.80

Finding the Fourth Proportional to 82,674,462,002.80, 124,011,693,004.20 and 72,878,941,490.80

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Solution

The fourth proportional to 82,674,462,002.80, 124,011,693,004.20 and 72,878,941,490.80 is: 109,318,412,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,674,462,002.80 : 124,011,693,004.20 = 72,878,941,490.80 : x
  2. Step 2: Convert to fraction form
    82,674,462,002.80/124,011,693,004.20 = 72,878,941,490.80/x
  3. Step 3: Cross multiply
    82,674,462,002.80x = 124,011,693,004.20 × 72,878,941,490.80
  4. Step 4: Simplify right side
    82,674,462,002.80x = 9,037,840,918,628,143,202,304
  5. Step 5: Solve for x
    x = 9,037,840,918,628,143,202,304/82,674,462,002.80
  6. Step 6: Final answer
    x = 109,318,412,236.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.