Home / 113,232,172.80-169,848,259.20-67,770,566.40

Finding the Fourth Proportional to 113,232,172.80, 169,848,259.20 and 67,770,566.40

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Solution

The fourth proportional to 113,232,172.80, 169,848,259.20 and 67,770,566.40 is: 101,655,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,232,172.80 : 169,848,259.20 = 67,770,566.40 : x
  2. Step 2: Convert to fraction form
    113,232,172.80/169,848,259.20 = 67,770,566.40/x
  3. Step 3: Cross multiply
    113,232,172.80x = 169,848,259.20 × 67,770,566.40
  4. Step 4: Simplify right side
    113,232,172.80x = 11,510,712,728,038,012
  5. Step 5: Solve for x
    x = 11,510,712,728,038,012/113,232,172.80
  6. Step 6: Final answer
    x = 101,655,849.60

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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.