Home / 124,417,688.40-186,626,532.60-73,273,381.20

Finding the Fourth Proportional to 124,417,688.40, 186,626,532.60 and 73,273,381.20

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Solution

The fourth proportional to 124,417,688.40, 186,626,532.60 and 73,273,381.20 is: 109,910,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,417,688.40 : 186,626,532.60 = 73,273,381.20 : x
  2. Step 2: Convert to fraction form
    124,417,688.40/186,626,532.60 = 73,273,381.20/x
  3. Step 3: Cross multiply
    124,417,688.40x = 186,626,532.60 × 73,273,381.20
  4. Step 4: Simplify right side
    124,417,688.40x = 13,674,757,065,234,028
  5. Step 5: Solve for x
    x = 13,674,757,065,234,028/124,417,688.40
  6. Step 6: Final answer
    x = 109,910,071.80

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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.