Home / 186,788,428.95-257,791,809.03-108,456,387.51

Finding the Fourth Proportional to 186,788,428.95, 257,791,809.03 and 108,456,387.51

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Solution

The fourth proportional to 186,788,428.95, 257,791,809.03 and 108,456,387.51 is: 149,683,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,788,428.95 : 257,791,809.03 = 108,456,387.51 : x
  2. Step 2: Convert to fraction form
    186,788,428.95/257,791,809.03 = 108,456,387.51/x
  3. Step 3: Cross multiply
    186,788,428.95x = 257,791,809.03 × 108,456,387.51
  4. Step 4: Simplify right side
    186,788,428.95x = 27,959,168,337,061,600
  5. Step 5: Solve for x
    x = 27,959,168,337,061,600/186,788,428.95
  6. Step 6: Final answer
    x = 149,683,620.63

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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.