Home / 139,968,151.20-209,952,226.80-37,742,522.40

Finding the Fourth Proportional to 139,968,151.20, 209,952,226.80 and 37,742,522.40

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Solution

The fourth proportional to 139,968,151.20, 209,952,226.80 and 37,742,522.40 is: 56,613,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,151.20 : 209,952,226.80 = 37,742,522.40 : x
  2. Step 2: Convert to fraction form
    139,968,151.20/209,952,226.80 = 37,742,522.40/x
  3. Step 3: Cross multiply
    139,968,151.20x = 209,952,226.80 × 37,742,522.40
  4. Step 4: Simplify right side
    139,968,151.20x = 7,924,126,622,928,880
  5. Step 5: Solve for x
    x = 7,924,126,622,928,880/139,968,151.20
  6. Step 6: Final answer
    x = 56,613,783.60

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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.