Home / 70,206,153.60-105,309,230.40-31,942,401.60

Finding the Fourth Proportional to 70,206,153.60, 105,309,230.40 and 31,942,401.60

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Solution

The fourth proportional to 70,206,153.60, 105,309,230.40 and 31,942,401.60 is: 47,913,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,206,153.60 : 105,309,230.40 = 31,942,401.60 : x
  2. Step 2: Convert to fraction form
    70,206,153.60/105,309,230.40 = 31,942,401.60/x
  3. Step 3: Cross multiply
    70,206,153.60x = 105,309,230.40 × 31,942,401.60
  4. Step 4: Simplify right side
    70,206,153.60x = 3,363,829,729,623,729
  5. Step 5: Solve for x
    x = 3,363,829,729,623,729/70,206,153.60
  6. Step 6: Final answer
    x = 47,913,602.40

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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.