Home / 90,287,835.38-124,597,945.04-49,035,023.00

Finding the Fourth Proportional to 90,287,835.38, 124,597,945.04 and 49,035,023.00

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Solution

The fourth proportional to 90,287,835.38, 124,597,945.04 and 49,035,023.00 is: 67,668,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,287,835.38 : 124,597,945.04 = 49,035,023.00 : x
  2. Step 2: Convert to fraction form
    90,287,835.38/124,597,945.04 = 49,035,023.00/x
  3. Step 3: Cross multiply
    90,287,835.38x = 124,597,945.04 × 49,035,023.00
  4. Step 4: Simplify right side
    90,287,835.38x = 6,109,663,099,920,971
  5. Step 5: Solve for x
    x = 6,109,663,099,920,971/90,287,835.38
  6. Step 6: Final answer
    x = 67,668,729.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.