Home / 308,160,842.30-462,241,263.45-103,620,938.30

Finding the Fourth Proportional to 308,160,842.30, 462,241,263.45 and 103,620,938.30

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Solution

The fourth proportional to 308,160,842.30, 462,241,263.45 and 103,620,938.30 is: 155,431,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,160,842.30 : 462,241,263.45 = 103,620,938.30 : x
  2. Step 2: Convert to fraction form
    308,160,842.30/462,241,263.45 = 103,620,938.30/x
  3. Step 3: Cross multiply
    308,160,842.30x = 462,241,263.45 × 103,620,938.30
  4. Step 4: Simplify right side
    308,160,842.30x = 47,897,873,439,666,496
  5. Step 5: Solve for x
    x = 47,897,873,439,666,496/308,160,842.30
  6. Step 6: Final answer
    x = 155,431,407.45

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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.