Home / 186,722,848.15-257,677,887.03-103,091,140.57

Finding the Fourth Proportional to 186,722,848.15, 257,677,887.03 and 103,091,140.57

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Solution

The fourth proportional to 186,722,848.15, 257,677,887.03 and 103,091,140.57 is: 142,265,970.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,722,848.15 : 257,677,887.03 = 103,091,140.57 : x
  2. Step 2: Convert to fraction form
    186,722,848.15/257,677,887.03 = 103,091,140.57/x
  3. Step 3: Cross multiply
    186,722,848.15x = 257,677,887.03 × 103,091,140.57
  4. Step 4: Simplify right side
    186,722,848.15x = 26,564,307,273,590,308
  5. Step 5: Solve for x
    x = 26,564,307,273,590,308/186,722,848.15
  6. Step 6: Final answer
    x = 142,265,970.86

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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.