Home / 163,434,424.60-245,247,022.50-90,712,235.80

Finding the Fourth Proportional to 163,434,424.60, 245,247,022.50 and 90,712,235.80

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Solution

The fourth proportional to 163,434,424.60, 245,247,022.50 and 90,712,235.80 is: 136,121,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,434,424.60 : 245,247,022.50 = 90,712,235.80 : x
  2. Step 2: Convert to fraction form
    163,434,424.60/245,247,022.50 = 90,712,235.80/x
  3. Step 3: Cross multiply
    163,434,424.60x = 245,247,022.50 × 90,712,235.80
  4. Step 4: Simplify right side
    163,434,424.60x = 22,246,905,734,267,904
  5. Step 5: Solve for x
    x = 22,246,905,734,267,904/163,434,424.60
  6. Step 6: Final answer
    x = 136,121,296.29

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1.5x scale

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.