Home / 166,075,907.80-249,113,861.70-156,509,969.80

Finding the Fourth Proportional to 166,075,907.80, 249,113,861.70 and 156,509,969.80

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Solution

The fourth proportional to 166,075,907.80, 249,113,861.70 and 156,509,969.80 is: 234,764,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,075,907.80 : 249,113,861.70 = 156,509,969.80 : x
  2. Step 2: Convert to fraction form
    166,075,907.80/249,113,861.70 = 156,509,969.80/x
  3. Step 3: Cross multiply
    166,075,907.80x = 249,113,861.70 × 156,509,969.80
  4. Step 4: Simplify right side
    166,075,907.80x = 38,988,802,971,428,376
  5. Step 5: Solve for x
    x = 38,988,802,971,428,376/166,075,907.80
  6. Step 6: Final answer
    x = 234,764,954.70

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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.