Home / 49,159,329.60-73,768,518.90-20,402,466.60

Finding the Fourth Proportional to 49,159,329.60, 73,768,518.90 and 20,402,466.60

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Solution

The fourth proportional to 49,159,329.60, 73,768,518.90 and 20,402,466.60 is: 30,615,953.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,159,329.60 : 73,768,518.90 = 20,402,466.60 : x
  2. Step 2: Convert to fraction form
    49,159,329.60/73,768,518.90 = 20,402,466.60/x
  3. Step 3: Cross multiply
    49,159,329.60x = 73,768,518.90 × 20,402,466.60
  4. Step 4: Simplify right side
    49,159,329.60x = 1,505,059,742,988,719
  5. Step 5: Solve for x
    x = 1,505,059,742,988,719/49,159,329.60
  6. Step 6: Final answer
    x = 30,615,953.38

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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.