Home / 112,295,829.60-168,443,744.40-79,417,346.40

Finding the Fourth Proportional to 112,295,829.60, 168,443,744.40 and 79,417,346.40

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Solution

The fourth proportional to 112,295,829.60, 168,443,744.40 and 79,417,346.40 is: 119,126,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,295,829.60 : 168,443,744.40 = 79,417,346.40 : x
  2. Step 2: Convert to fraction form
    112,295,829.60/168,443,744.40 = 79,417,346.40/x
  3. Step 3: Cross multiply
    112,295,829.60x = 168,443,744.40 × 79,417,346.40
  4. Step 4: Simplify right side
    112,295,829.60x = 13,377,355,197,927,862
  5. Step 5: Solve for x
    x = 13,377,355,197,927,862/112,295,829.60
  6. Step 6: Final answer
    x = 119,126,019.60

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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.