Home / 139,968,457.40-209,952,686.10-44,230,345.40

Finding the Fourth Proportional to 139,968,457.40, 209,952,686.10 and 44,230,345.40

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Solution

The fourth proportional to 139,968,457.40, 209,952,686.10 and 44,230,345.40 is: 66,345,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,457.40 : 209,952,686.10 = 44,230,345.40 : x
  2. Step 2: Convert to fraction form
    139,968,457.40/209,952,686.10 = 44,230,345.40/x
  3. Step 3: Cross multiply
    139,968,457.40x = 209,952,686.10 × 44,230,345.40
  4. Step 4: Simplify right side
    139,968,457.40x = 9,286,279,823,860,778
  5. Step 5: Solve for x
    x = 9,286,279,823,860,778/139,968,457.40
  6. Step 6: Final answer
    x = 66,345,518.10

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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.