Home / 143,443,906,820.84-197,952,666,559.80-78,339,225,396.26

Finding the Fourth Proportional to 143,443,906,820.84, 197,952,666,559.80 and 78,339,225,396.26

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Solution

The fourth proportional to 143,443,906,820.84, 197,952,666,559.80 and 78,339,225,396.26 is: 108,108,172,087.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,443,906,820.84 : 197,952,666,559.80 = 78,339,225,396.26 : x
  2. Step 2: Convert to fraction form
    143,443,906,820.84/197,952,666,559.80 = 78,339,225,396.26/x
  3. Step 3: Cross multiply
    143,443,906,820.84x = 197,952,666,559.80 × 78,339,225,396.26
  4. Step 4: Simplify right side
    143,443,906,820.84x = 15,507,458,563,418,869,465,088
  5. Step 5: Solve for x
    x = 15,507,458,563,418,869,465,088/143,443,906,820.84
  6. Step 6: Final answer
    x = 108,108,172,087.00

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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.