Home / 124,803,231.03-186,840,579.83-72,828,563.67

Finding the Fourth Proportional to 124,803,231.03, 186,840,579.83 and 72,828,563.67

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Solution

The fourth proportional to 124,803,231.03, 186,840,579.83 and 72,828,563.67 is: 109,030,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,803,231.03 : 186,840,579.83 = 72,828,563.67 : x
  2. Step 2: Convert to fraction form
    124,803,231.03/186,840,579.83 = 72,828,563.67/x
  3. Step 3: Cross multiply
    124,803,231.03x = 186,840,579.83 × 72,828,563.67
  4. Step 4: Simplify right side
    124,803,231.03x = 13,607,331,063,924,730
  5. Step 5: Solve for x
    x = 13,607,331,063,924,730/124,803,231.03
  6. Step 6: Final answer
    x = 109,030,278.72

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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.