Home / 121,352,871.86-182,009,378.75-52,247,070.59

Finding the Fourth Proportional to 121,352,871.86, 182,009,378.75 and 52,247,070.59

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Solution

The fourth proportional to 121,352,871.86, 182,009,378.75 and 52,247,070.59 is: 78,362,025.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,352,871.86 : 182,009,378.75 = 52,247,070.59 : x
  2. Step 2: Convert to fraction form
    121,352,871.86/182,009,378.75 = 52,247,070.59/x
  3. Step 3: Cross multiply
    121,352,871.86x = 182,009,378.75 × 52,247,070.59
  4. Step 4: Simplify right side
    121,352,871.86x = 9,509,456,860,178,938
  5. Step 5: Solve for x
    x = 9,509,456,860,178,938/121,352,871.86
  6. Step 6: Final answer
    x = 78,362,025.67

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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.