Home / 158,490,393.60-237,735,590.40-139,783,670.40

Finding the Fourth Proportional to 158,490,393.60, 237,735,590.40 and 139,783,670.40

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Solution

The fourth proportional to 158,490,393.60, 237,735,590.40 and 139,783,670.40 is: 209,675,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,490,393.60 : 237,735,590.40 = 139,783,670.40 : x
  2. Step 2: Convert to fraction form
    158,490,393.60/237,735,590.40 = 139,783,670.40/x
  3. Step 3: Cross multiply
    158,490,393.60x = 237,735,590.40 × 139,783,670.40
  4. Step 4: Simplify right side
    158,490,393.60x = 33,231,553,410,823,008
  5. Step 5: Solve for x
    x = 33,231,553,410,823,008/158,490,393.60
  6. Step 6: Final answer
    x = 209,675,505.60

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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.