Home / 185,301,956.40-278,052,467.40-77,607,466.80

Finding the Fourth Proportional to 185,301,956.40, 278,052,467.40 and 77,607,466.80

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Solution

The fourth proportional to 185,301,956.40, 278,052,467.40 and 77,607,466.80 is: 116,452,886.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,301,956.40 : 278,052,467.40 = 77,607,466.80 : x
  2. Step 2: Convert to fraction form
    185,301,956.40/278,052,467.40 = 77,607,466.80/x
  3. Step 3: Cross multiply
    185,301,956.40x = 278,052,467.40 × 77,607,466.80
  4. Step 4: Simplify right side
    185,301,956.40x = 21,578,947,632,403,580
  5. Step 5: Solve for x
    x = 21,578,947,632,403,580/185,301,956.40
  6. Step 6: Final answer
    x = 116,452,886.15

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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.