Home / 91,208,447.80-136,835,999.70-64,334,591.80

Finding the Fourth Proportional to 91,208,447.80, 136,835,999.70 and 64,334,591.80

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Solution

The fourth proportional to 91,208,447.80, 136,835,999.70 and 64,334,591.80 is: 96,518,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,208,447.80 : 136,835,999.70 = 64,334,591.80 : x
  2. Step 2: Convert to fraction form
    91,208,447.80/136,835,999.70 = 64,334,591.80/x
  3. Step 3: Cross multiply
    91,208,447.80x = 136,835,999.70 × 64,334,591.80
  4. Step 4: Simplify right side
    91,208,447.80x = 8,803,288,184,244,421
  5. Step 5: Solve for x
    x = 8,803,288,184,244,421/91,208,447.80
  6. Step 6: Final answer
    x = 96,518,342.29

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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.