Home / 245,280,779.70-367,921,169.55-190,861,221.30

Finding the Fourth Proportional to 245,280,779.70, 367,921,169.55 and 190,861,221.30

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Solution

The fourth proportional to 245,280,779.70, 367,921,169.55 and 190,861,221.30 is: 286,291,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,280,779.70 : 367,921,169.55 = 190,861,221.30 : x
  2. Step 2: Convert to fraction form
    245,280,779.70/367,921,169.55 = 190,861,221.30/x
  3. Step 3: Cross multiply
    245,280,779.70x = 367,921,169.55 × 190,861,221.30
  4. Step 4: Simplify right side
    245,280,779.70x = 70,221,883,762,437,376
  5. Step 5: Solve for x
    x = 70,221,883,762,437,376/245,280,779.70
  6. Step 6: Final answer
    x = 286,291,831.95

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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.