Home / 268,086,815.70-402,130,223.55-166,050,143.70

Finding the Fourth Proportional to 268,086,815.70, 402,130,223.55 and 166,050,143.70

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Solution

The fourth proportional to 268,086,815.70, 402,130,223.55 and 166,050,143.70 is: 249,075,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,086,815.70 : 402,130,223.55 = 166,050,143.70 : x
  2. Step 2: Convert to fraction form
    268,086,815.70/402,130,223.55 = 166,050,143.70/x
  3. Step 3: Cross multiply
    268,086,815.70x = 402,130,223.55 × 166,050,143.70
  4. Step 4: Simplify right side
    268,086,815.70x = 66,773,781,406,590,624
  5. Step 5: Solve for x
    x = 66,773,781,406,590,624/268,086,815.70
  6. Step 6: Final answer
    x = 249,075,215.55

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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.