Home / 357,696,005.40-536,561,722.80-185,509,121.40

Finding the Fourth Proportional to 357,696,005.40, 536,561,722.80 and 185,509,121.40

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Solution

The fourth proportional to 357,696,005.40, 536,561,722.80 and 185,509,121.40 is: 278,272,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,696,005.40 : 536,561,722.80 = 185,509,121.40 : x
  2. Step 2: Convert to fraction form
    357,696,005.40/536,561,722.80 = 185,509,121.40/x
  3. Step 3: Cross multiply
    357,696,005.40x = 536,561,722.80 × 185,509,121.40
  4. Step 4: Simplify right side
    357,696,005.40x = 99,537,093,773,498,352
  5. Step 5: Solve for x
    x = 99,537,093,773,498,352/357,696,005.40
  6. Step 6: Final answer
    x = 278,272,869.34

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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.