Home / 165,477,961.40-248,216,942.10-139,968,793.40

Finding the Fourth Proportional to 165,477,961.40, 248,216,942.10 and 139,968,793.40

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Solution

The fourth proportional to 165,477,961.40, 248,216,942.10 and 139,968,793.40 is: 209,953,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,477,961.40 : 248,216,942.10 = 139,968,793.40 : x
  2. Step 2: Convert to fraction form
    165,477,961.40/248,216,942.10 = 139,968,793.40/x
  3. Step 3: Cross multiply
    165,477,961.40x = 248,216,942.10 × 139,968,793.40
  4. Step 4: Simplify right side
    165,477,961.40x = 34,742,625,887,174,664
  5. Step 5: Solve for x
    x = 34,742,625,887,174,664/165,477,961.40
  6. Step 6: Final answer
    x = 209,953,190.10

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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.