Home / 167,643,387,688.89-231,346,698,117.30-91,519,801,681.17

Finding the Fourth Proportional to 167,643,387,688.89, 231,346,698,117.30 and 91,519,801,681.17

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Solution

The fourth proportional to 167,643,387,688.89, 231,346,698,117.30 and 91,519,801,681.17 is: 126,296,683,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,643,387,688.89 : 231,346,698,117.30 = 91,519,801,681.17 : x
  2. Step 2: Convert to fraction form
    167,643,387,688.89/231,346,698,117.30 = 91,519,801,681.17/x
  3. Step 3: Cross multiply
    167,643,387,688.89x = 231,346,698,117.30 × 91,519,801,681.17
  4. Step 4: Simplify right side
    167,643,387,688.89x = 21,172,803,931,288,799,019,008
  5. Step 5: Solve for x
    x = 21,172,803,931,288,799,019,008/167,643,387,688.89
  6. Step 6: Final answer
    x = 126,296,683,830.92

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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.