Home / 309,375,886.22-426,834,127.23-175,399,429.76

Finding the Fourth Proportional to 309,375,886.22, 426,834,127.23 and 175,399,429.76

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Solution

The fourth proportional to 309,375,886.22, 426,834,127.23 and 175,399,429.76 is: 241,991,912.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,375,886.22 : 426,834,127.23 = 175,399,429.76 : x
  2. Step 2: Convert to fraction form
    309,375,886.22/426,834,127.23 = 175,399,429.76/x
  3. Step 3: Cross multiply
    309,375,886.22x = 426,834,127.23 × 175,399,429.76
  4. Step 4: Simplify right side
    309,375,886.22x = 74,866,462,518,249,280
  5. Step 5: Solve for x
    x = 74,866,462,518,249,280/309,375,886.22
  6. Step 6: Final answer
    x = 241,991,912.92

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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.