Home / 70,439,618.80-105,606,940.20-36,385,404.40

Finding the Fourth Proportional to 70,439,618.80, 105,606,940.20 and 36,385,404.40

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Solution

The fourth proportional to 70,439,618.80, 105,606,940.20 and 36,385,404.40 is: 54,550,994.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,439,618.80 : 105,606,940.20 = 36,385,404.40 : x
  2. Step 2: Convert to fraction form
    70,439,618.80/105,606,940.20 = 36,385,404.40/x
  3. Step 3: Cross multiply
    70,439,618.80x = 105,606,940.20 × 36,385,404.40
  4. Step 4: Simplify right side
    70,439,618.80x = 3,842,551,226,623,617
  5. Step 5: Solve for x
    x = 3,842,551,226,623,617/70,439,618.80
  6. Step 6: Final answer
    x = 54,550,994.06

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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.