Home / 186,320,881.51-257,123,813.51-106,929,612.18

Finding the Fourth Proportional to 186,320,881.51, 257,123,813.51 and 106,929,612.18

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Solution

The fourth proportional to 186,320,881.51, 257,123,813.51 and 106,929,612.18 is: 147,563,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,320,881.51 : 257,123,813.51 = 106,929,612.18 : x
  2. Step 2: Convert to fraction form
    186,320,881.51/257,123,813.51 = 106,929,612.18/x
  3. Step 3: Cross multiply
    186,320,881.51x = 257,123,813.51 × 106,929,612.18
  4. Step 4: Simplify right side
    186,320,881.51x = 27,494,149,660,866,944
  5. Step 5: Solve for x
    x = 27,494,149,660,866,944/186,320,881.51
  6. Step 6: Final answer
    x = 147,563,437.00

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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.