Home / 167,643,387,688.39-231,346,698,116.61-91,519,801,680.68

Finding the Fourth Proportional to 167,643,387,688.39, 231,346,698,116.61 and 91,519,801,680.68

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Solution

The fourth proportional to 167,643,387,688.39, 231,346,698,116.61 and 91,519,801,680.68 is: 126,296,683,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,643,387,688.39 : 231,346,698,116.61 = 91,519,801,680.68 : x
  2. Step 2: Convert to fraction form
    167,643,387,688.39/231,346,698,116.61 = 91,519,801,680.68/x
  3. Step 3: Cross multiply
    167,643,387,688.39x = 231,346,698,116.61 × 91,519,801,680.68
  4. Step 4: Simplify right side
    167,643,387,688.39x = 21,172,803,931,111,136,690,176
  5. Step 5: Solve for x
    x = 21,172,803,931,111,136,690,176/167,643,387,688.39
  6. Step 6: Final answer
    x = 126,296,683,830.24

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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.