Home / 139,968,207.45-209,952,311.18-37,742,578.65

Finding the Fourth Proportional to 139,968,207.45, 209,952,311.18 and 37,742,578.65

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Solution

The fourth proportional to 139,968,207.45, 209,952,311.18 and 37,742,578.65 is: 56,613,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,207.45 : 209,952,311.18 = 37,742,578.65 : x
  2. Step 2: Convert to fraction form
    139,968,207.45/209,952,311.18 = 37,742,578.65/x
  3. Step 3: Cross multiply
    139,968,207.45x = 209,952,311.18 × 37,742,578.65
  4. Step 4: Simplify right side
    139,968,207.45x = 7,924,141,617,271,712
  5. Step 5: Solve for x
    x = 7,924,141,617,271,712/139,968,207.45
  6. Step 6: Final answer
    x = 56,613,867.98

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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.