Home / 105,429,871.80-158,144,807.70-37,272,022.20

Finding the Fourth Proportional to 105,429,871.80, 158,144,807.70 and 37,272,022.20

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Solution

The fourth proportional to 105,429,871.80, 158,144,807.70 and 37,272,022.20 is: 55,908,033.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,429,871.80 : 158,144,807.70 = 37,272,022.20 : x
  2. Step 2: Convert to fraction form
    105,429,871.80/158,144,807.70 = 37,272,022.20/x
  3. Step 3: Cross multiply
    105,429,871.80x = 158,144,807.70 × 37,272,022.20
  4. Step 4: Simplify right side
    105,429,871.80x = 5,894,376,783,409,131
  5. Step 5: Solve for x
    x = 5,894,376,783,409,131/105,429,871.80
  6. Step 6: Final answer
    x = 55,908,033.30

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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.