Home / 113,023,893.40-169,361,657.70-84,134,498.20

Finding the Fourth Proportional to 113,023,893.40, 169,361,657.70 and 84,134,498.20

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Solution

The fourth proportional to 113,023,893.40, 169,361,657.70 and 84,134,498.20 is: 126,072,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,023,893.40 : 169,361,657.70 = 84,134,498.20 : x
  2. Step 2: Convert to fraction form
    113,023,893.40/169,361,657.70 = 84,134,498.20/x
  3. Step 3: Cross multiply
    113,023,893.40x = 169,361,657.70 × 84,134,498.20
  4. Step 4: Simplify right side
    113,023,893.40x = 14,249,158,084,909,666
  5. Step 5: Solve for x
    x = 14,249,158,084,909,666/113,023,893.40
  6. Step 6: Final answer
    x = 126,072,086.67

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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.