Home / 106,812,316.80-160,148,491.20-42,077,116.80

Finding the Fourth Proportional to 106,812,316.80, 160,148,491.20 and 42,077,116.80

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Solution

The fourth proportional to 106,812,316.80, 160,148,491.20 and 42,077,116.80 is: 63,088,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,812,316.80 : 160,148,491.20 = 42,077,116.80 : x
  2. Step 2: Convert to fraction form
    106,812,316.80/160,148,491.20 = 42,077,116.80/x
  3. Step 3: Cross multiply
    106,812,316.80x = 160,148,491.20 × 42,077,116.80
  4. Step 4: Simplify right side
    106,812,316.80x = 6,738,586,769,566,171
  5. Step 5: Solve for x
    x = 6,738,586,769,566,171/106,812,316.80
  6. Step 6: Final answer
    x = 63,088,106.05

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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.