Home / 140,272,193.12-210,428,040.48-43,235,722.40

Finding the Fourth Proportional to 140,272,193.12, 210,428,040.48 and 43,235,722.40

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Solution

The fourth proportional to 140,272,193.12, 210,428,040.48 and 43,235,722.40 is: 64,859,671.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,272,193.12 : 210,428,040.48 = 43,235,722.40 : x
  2. Step 2: Convert to fraction form
    140,272,193.12/210,428,040.48 = 43,235,722.40/x
  3. Step 3: Cross multiply
    140,272,193.12x = 210,428,040.48 × 43,235,722.40
  4. Step 4: Simplify right side
    140,272,193.12x = 9,098,008,343,369,242
  5. Step 5: Solve for x
    x = 9,098,008,343,369,242/140,272,193.12
  6. Step 6: Final answer
    x = 64,859,671.34

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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.