Home / 308,066,428.69-462,103,192.89-111,344,782.06

Finding the Fourth Proportional to 308,066,428.69, 462,103,192.89 and 111,344,782.06

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Solution

The fourth proportional to 308,066,428.69, 462,103,192.89 and 111,344,782.06 is: 167,018,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,066,428.69 : 462,103,192.89 = 111,344,782.06 : x
  2. Step 2: Convert to fraction form
    308,066,428.69/462,103,192.89 = 111,344,782.06/x
  3. Step 3: Cross multiply
    308,066,428.69x = 462,103,192.89 × 111,344,782.06
  4. Step 4: Simplify right side
    308,066,428.69x = 51,452,779,302,144,816
  5. Step 5: Solve for x
    x = 51,452,779,302,144,816/308,066,428.69
  6. Step 6: Final answer
    x = 167,018,456.12

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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.