Home / 119,632,030.40-179,448,045.60-38,861,163.20

Finding the Fourth Proportional to 119,632,030.40, 179,448,045.60 and 38,861,163.20

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Solution

The fourth proportional to 119,632,030.40, 179,448,045.60 and 38,861,163.20 is: 58,291,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,632,030.40 : 179,448,045.60 = 38,861,163.20 : x
  2. Step 2: Convert to fraction form
    119,632,030.40/179,448,045.60 = 38,861,163.20/x
  3. Step 3: Cross multiply
    119,632,030.40x = 179,448,045.60 × 38,861,163.20
  4. Step 4: Simplify right side
    119,632,030.40x = 6,973,559,785,982,642
  5. Step 5: Solve for x
    x = 6,973,559,785,982,642/119,632,030.40
  6. Step 6: Final answer
    x = 58,291,744.80

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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.