Home / 101,457,071.68-152,213,065.32-72,347,686.18

Finding the Fourth Proportional to 101,457,071.68, 152,213,065.32 and 72,347,686.18

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Solution

The fourth proportional to 101,457,071.68, 152,213,065.32 and 72,347,686.18 is: 108,541,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,457,071.68 : 152,213,065.32 = 72,347,686.18 : x
  2. Step 2: Convert to fraction form
    101,457,071.68/152,213,065.32 = 72,347,686.18/x
  3. Step 3: Cross multiply
    101,457,071.68x = 152,213,065.32 × 72,347,686.18
  4. Step 4: Simplify right side
    101,457,071.68x = 11,012,263,082,267,202
  5. Step 5: Solve for x
    x = 11,012,263,082,267,202/101,457,071.68
  6. Step 6: Final answer
    x = 108,541,109.06

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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.