Home / 169,911,209.70-254,866,814.55-142,648,286.40

Finding the Fourth Proportional to 169,911,209.70, 254,866,814.55 and 142,648,286.40

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Solution

The fourth proportional to 169,911,209.70, 254,866,814.55 and 142,648,286.40 is: 213,972,429.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,911,209.70 : 254,866,814.55 = 142,648,286.40 : x
  2. Step 2: Convert to fraction form
    169,911,209.70/254,866,814.55 = 142,648,286.40/x
  3. Step 3: Cross multiply
    169,911,209.70x = 254,866,814.55 × 142,648,286.40
  4. Step 4: Simplify right side
    169,911,209.70x = 36,356,314,355,784,088
  5. Step 5: Solve for x
    x = 36,356,314,355,784,088/169,911,209.70
  6. Step 6: Final answer
    x = 213,972,429.60

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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.