Home / 161,769,870.90-242,630,887.86-59,509,993.68

Finding the Fourth Proportional to 161,769,870.90, 242,630,887.86 and 59,509,993.68

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Solution

The fourth proportional to 161,769,870.90, 242,630,887.86 and 59,509,993.68 is: 89,256,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,769,870.90 : 242,630,887.86 = 59,509,993.68 : x
  2. Step 2: Convert to fraction form
    161,769,870.90/242,630,887.86 = 59,509,993.68/x
  3. Step 3: Cross multiply
    161,769,870.90x = 242,630,887.86 × 59,509,993.68
  4. Step 4: Simplify right side
    161,769,870.90x = 14,438,962,603,121,390
  5. Step 5: Solve for x
    x = 14,438,962,603,121,390/161,769,870.90
  6. Step 6: Final answer
    x = 89,256,191.67

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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.