Home / 186,842,839.93-257,838,123.60-103,209,170.54

Finding the Fourth Proportional to 186,842,839.93, 257,838,123.60 and 103,209,170.54

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Solution

The fourth proportional to 186,842,839.93, 257,838,123.60 and 103,209,170.54 is: 142,425,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,842,839.93 : 257,838,123.60 = 103,209,170.54 : x
  2. Step 2: Convert to fraction form
    186,842,839.93/257,838,123.60 = 103,209,170.54/x
  3. Step 3: Cross multiply
    186,842,839.93x = 257,838,123.60 × 103,209,170.54
  4. Step 4: Simplify right side
    186,842,839.93x = 26,611,258,869,056,808
  5. Step 5: Solve for x
    x = 26,611,258,869,056,808/186,842,839.93
  6. Step 6: Final answer
    x = 142,425,895.90

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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.