Home / 186,642,005.40-279,963,008.10-70,057,136.03

Finding the Fourth Proportional to 186,642,005.40, 279,963,008.10 and 70,057,136.03

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Solution

The fourth proportional to 186,642,005.40, 279,963,008.10 and 70,057,136.03 is: 105,085,704.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,642,005.40 : 279,963,008.10 = 70,057,136.03 : x
  2. Step 2: Convert to fraction form
    186,642,005.40/279,963,008.10 = 70,057,136.03/x
  3. Step 3: Cross multiply
    186,642,005.40x = 279,963,008.10 × 70,057,136.03
  4. Step 4: Simplify right side
    186,642,005.40x = 19,613,406,540,429,880
  5. Step 5: Solve for x
    x = 19,613,406,540,429,880/186,642,005.40
  6. Step 6: Final answer
    x = 105,085,704.04

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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.