Home / 186,656,763.60-279,985,145.40-147,689,672.40

Finding the Fourth Proportional to 186,656,763.60, 279,985,145.40 and 147,689,672.40

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Solution

The fourth proportional to 186,656,763.60, 279,985,145.40 and 147,689,672.40 is: 221,534,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,656,763.60 : 279,985,145.40 = 147,689,672.40 : x
  2. Step 2: Convert to fraction form
    186,656,763.60/279,985,145.40 = 147,689,672.40/x
  3. Step 3: Cross multiply
    186,656,763.60x = 279,985,145.40 × 147,689,672.40
  4. Step 4: Simplify right side
    186,656,763.60x = 41,350,914,400,992,368
  5. Step 5: Solve for x
    x = 41,350,914,400,992,368/186,656,763.60
  6. Step 6: Final answer
    x = 221,534,508.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.