Home / 163,583,235.60-245,166,456.60-86,942,979.60

Finding the Fourth Proportional to 163,583,235.60, 245,166,456.60 and 86,942,979.60

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Solution

The fourth proportional to 163,583,235.60, 245,166,456.60 and 86,942,979.60 is: 130,303,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,583,235.60 : 245,166,456.60 = 86,942,979.60 : x
  2. Step 2: Convert to fraction form
    163,583,235.60/245,166,456.60 = 86,942,979.60/x
  3. Step 3: Cross multiply
    163,583,235.60x = 245,166,456.60 × 86,942,979.60
  4. Step 4: Simplify right side
    163,583,235.60x = 21,315,502,234,778,084
  5. Step 5: Solve for x
    x = 21,315,502,234,778,084/163,583,235.60
  6. Step 6: Final answer
    x = 130,303,708.42

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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.