Home / 309,186,316.67-426,679,973.34-168,057,869.16

Finding the Fourth Proportional to 309,186,316.67, 426,679,973.34 and 168,057,869.16

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Solution

The fourth proportional to 309,186,316.67, 426,679,973.34 and 168,057,869.16 is: 231,921,412.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,186,316.67 : 426,679,973.34 = 168,057,869.16 : x
  2. Step 2: Convert to fraction form
    309,186,316.67/426,679,973.34 = 168,057,869.16/x
  3. Step 3: Cross multiply
    309,186,316.67x = 426,679,973.34 × 168,057,869.16
  4. Step 4: Simplify right side
    309,186,316.67x = 71,706,927,132,766,000
  5. Step 5: Solve for x
    x = 71,706,927,132,766,000/309,186,316.67
  6. Step 6: Final answer
    x = 231,921,412.00

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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.