Home / 77,472,000.80-116,208,001.20-47,238,912.80

Finding the Fourth Proportional to 77,472,000.80, 116,208,001.20 and 47,238,912.80

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Solution

The fourth proportional to 77,472,000.80, 116,208,001.20 and 47,238,912.80 is: 70,858,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,472,000.80 : 116,208,001.20 = 47,238,912.80 : x
  2. Step 2: Convert to fraction form
    77,472,000.80/116,208,001.20 = 47,238,912.80/x
  3. Step 3: Cross multiply
    77,472,000.80x = 116,208,001.20 × 47,238,912.80
  4. Step 4: Simplify right side
    77,472,000.80x = 5,489,539,635,349,095
  5. Step 5: Solve for x
    x = 5,489,539,635,349,095/77,472,000.80
  6. Step 6: Final answer
    x = 70,858,369.20

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1.5x scale

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.