Home / 105,713,900.40-158,523,611.40-40,996,196.40

Finding the Fourth Proportional to 105,713,900.40, 158,523,611.40 and 40,996,196.40

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Solution

The fourth proportional to 105,713,900.40, 158,523,611.40 and 40,996,196.40 is: 61,475,975.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,713,900.40 : 158,523,611.40 = 40,996,196.40 : x
  2. Step 2: Convert to fraction form
    105,713,900.40/158,523,611.40 = 40,996,196.40/x
  3. Step 3: Cross multiply
    105,713,900.40x = 158,523,611.40 × 40,996,196.40
  4. Step 4: Simplify right side
    105,713,900.40x = 6,498,865,106,991,679
  5. Step 5: Solve for x
    x = 6,498,865,106,991,679/105,713,900.40
  6. Step 6: Final answer
    x = 61,475,975.08

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1.5x scale

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.