Home / 186,051,490.12-256,751,059.80-103,564,761.04

Finding the Fourth Proportional to 186,051,490.12, 256,751,059.80 and 103,564,761.04

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Solution

The fourth proportional to 186,051,490.12, 256,751,059.80 and 103,564,761.04 is: 142,919,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,051,490.12 : 256,751,059.80 = 103,564,761.04 : x
  2. Step 2: Convert to fraction form
    186,051,490.12/256,751,059.80 = 103,564,761.04/x
  3. Step 3: Cross multiply
    186,051,490.12x = 256,751,059.80 × 103,564,761.04
  4. Step 4: Simplify right side
    186,051,490.12x = 26,590,362,154,953,752
  5. Step 5: Solve for x
    x = 26,590,362,154,953,752/186,051,490.12
  6. Step 6: Final answer
    x = 142,919,372.15

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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.