Home / 116,291,819.20-174,437,728.80-70,830,212.80

Finding the Fourth Proportional to 116,291,819.20, 174,437,728.80 and 70,830,212.80

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Solution

The fourth proportional to 116,291,819.20, 174,437,728.80 and 70,830,212.80 is: 106,245,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,291,819.20 : 174,437,728.80 = 70,830,212.80 : x
  2. Step 2: Convert to fraction form
    116,291,819.20/174,437,728.80 = 70,830,212.80/x
  3. Step 3: Cross multiply
    116,291,819.20x = 174,437,728.80 × 70,830,212.80
  4. Step 4: Simplify right side
    116,291,819.20x = 12,355,461,451,252,688
  5. Step 5: Solve for x
    x = 12,355,461,451,252,688/116,291,819.20
  6. Step 6: Final answer
    x = 106,245,319.20

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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.