Home / 70,118,835.96-105,189,555.06-21,596,673.72

Finding the Fourth Proportional to 70,118,835.96, 105,189,555.06 and 21,596,673.72

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Solution

The fourth proportional to 70,118,835.96, 105,189,555.06 and 21,596,673.72 is: 32,398,491.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,118,835.96 : 105,189,555.06 = 21,596,673.72 : x
  2. Step 2: Convert to fraction form
    70,118,835.96/105,189,555.06 = 21,596,673.72/x
  3. Step 3: Cross multiply
    70,118,835.96x = 105,189,555.06 × 21,596,673.72
  4. Step 4: Simplify right side
    70,118,835.96x = 2,271,744,499,382,795
  5. Step 5: Solve for x
    x = 2,271,744,499,382,795/70,118,835.96
  6. Step 6: Final answer
    x = 32,398,491.34

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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.