Home / 91,152,535.86-136,728,601.11-70,433,101.80

Finding the Fourth Proportional to 91,152,535.86, 136,728,601.11 and 70,433,101.80

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Solution

The fourth proportional to 91,152,535.86, 136,728,601.11 and 70,433,101.80 is: 105,649,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,152,535.86 : 136,728,601.11 = 70,433,101.80 : x
  2. Step 2: Convert to fraction form
    91,152,535.86/136,728,601.11 = 70,433,101.80/x
  3. Step 3: Cross multiply
    91,152,535.86x = 136,728,601.11 × 70,433,101.80
  4. Step 4: Simplify right side
    91,152,535.86x = 9,630,219,480,952,224
  5. Step 5: Solve for x
    x = 9,630,219,480,952,224/91,152,535.86
  6. Step 6: Final answer
    x = 105,649,496.09

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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.