Home / 124,803,350.40-186,840,758.85-72,828,683.04

Finding the Fourth Proportional to 124,803,350.40, 186,840,758.85 and 72,828,683.04

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Solution

The fourth proportional to 124,803,350.40, 186,840,758.85 and 72,828,683.04 is: 109,030,457.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,803,350.40 : 186,840,758.85 = 72,828,683.04 : x
  2. Step 2: Convert to fraction form
    124,803,350.40/186,840,758.85 = 72,828,683.04/x
  3. Step 3: Cross multiply
    124,803,350.40x = 186,840,758.85 × 72,828,683.04
  4. Step 4: Simplify right side
    124,803,350.40x = 13,607,366,405,239,726
  5. Step 5: Solve for x
    x = 13,607,366,405,239,726/124,803,350.40
  6. Step 6: Final answer
    x = 109,030,457.61

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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.