Home / 213,437,236,984.82-320,144,070,964.47-156,062,865,656.03

Finding the Fourth Proportional to 213,437,236,984.82, 320,144,070,964.47 and 156,062,865,656.03

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Solution

The fourth proportional to 213,437,236,984.82, 320,144,070,964.47 and 156,062,865,656.03 is: 234,085,681,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,437,236,984.82 : 320,144,070,964.47 = 156,062,865,656.03 : x
  2. Step 2: Convert to fraction form
    213,437,236,984.82/320,144,070,964.47 = 156,062,865,656.03/x
  3. Step 3: Cross multiply
    213,437,236,984.82x = 320,144,070,964.47 × 156,062,865,656.03
  4. Step 4: Simplify right side
    213,437,236,984.82x = 49,962,601,137,502,607,638,528
  5. Step 5: Solve for x
    x = 49,962,601,137,502,607,638,528/213,437,236,984.82
  6. Step 6: Final answer
    x = 234,085,681,783.15

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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.