Home / 139,968,113.40-209,952,170.10-37,742,484.60

Finding the Fourth Proportional to 139,968,113.40, 209,952,170.10 and 37,742,484.60

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Solution

The fourth proportional to 139,968,113.40, 209,952,170.10 and 37,742,484.60 is: 56,613,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,113.40 : 209,952,170.10 = 37,742,484.60 : x
  2. Step 2: Convert to fraction form
    139,968,113.40/209,952,170.10 = 37,742,484.60/x
  3. Step 3: Cross multiply
    139,968,113.40x = 209,952,170.10 × 37,742,484.60
  4. Step 4: Simplify right side
    139,968,113.40x = 7,924,116,546,735,831
  5. Step 5: Solve for x
    x = 7,924,116,546,735,831/139,968,113.40
  6. Step 6: Final answer
    x = 56,613,726.90

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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.