Home / 166,415,551.20-249,623,326.80-75,716,287.20

Finding the Fourth Proportional to 166,415,551.20, 249,623,326.80 and 75,716,287.20

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Solution

The fourth proportional to 166,415,551.20, 249,623,326.80 and 75,716,287.20 is: 113,574,430.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,415,551.20 : 249,623,326.80 = 75,716,287.20 : x
  2. Step 2: Convert to fraction form
    166,415,551.20/249,623,326.80 = 75,716,287.20/x
  3. Step 3: Cross multiply
    166,415,551.20x = 249,623,326.80 × 75,716,287.20
  4. Step 4: Simplify right side
    166,415,551.20x = 18,900,551,503,808,260
  5. Step 5: Solve for x
    x = 18,900,551,503,808,260/166,415,551.20
  6. Step 6: Final answer
    x = 113,574,430.80

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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.