Home / 166,309,886.80-249,464,830.20-45,141,338.80

Finding the Fourth Proportional to 166,309,886.80, 249,464,830.20 and 45,141,338.80

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Solution

The fourth proportional to 166,309,886.80, 249,464,830.20 and 45,141,338.80 is: 67,712,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,309,886.80 : 249,464,830.20 = 45,141,338.80 : x
  2. Step 2: Convert to fraction form
    166,309,886.80/249,464,830.20 = 45,141,338.80/x
  3. Step 3: Cross multiply
    166,309,886.80x = 249,464,830.20 × 45,141,338.80
  4. Step 4: Simplify right side
    166,309,886.80x = 11,261,176,418,742,670
  5. Step 5: Solve for x
    x = 11,261,176,418,742,670/166,309,886.80
  6. Step 6: Final answer
    x = 67,712,008.20

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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.