Home / 71,219,922.30-106,829,883.45-70,464,095.10

Finding the Fourth Proportional to 71,219,922.30, 106,829,883.45 and 70,464,095.10

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Solution

The fourth proportional to 71,219,922.30, 106,829,883.45 and 70,464,095.10 is: 105,696,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,219,922.30 : 106,829,883.45 = 70,464,095.10 : x
  2. Step 2: Convert to fraction form
    71,219,922.30/106,829,883.45 = 70,464,095.10/x
  3. Step 3: Cross multiply
    71,219,922.30x = 106,829,883.45 × 70,464,095.10
  4. Step 4: Simplify right side
    71,219,922.30x = 7,527,671,066,942,716
  5. Step 5: Solve for x
    x = 7,527,671,066,942,716/71,219,922.30
  6. Step 6: Final answer
    x = 105,696,142.65

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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.