Home / 130,824,601.20-196,236,901.80-90,009,932.40

Finding the Fourth Proportional to 130,824,601.20, 196,236,901.80 and 90,009,932.40

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Solution

The fourth proportional to 130,824,601.20, 196,236,901.80 and 90,009,932.40 is: 135,014,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,824,601.20 : 196,236,901.80 = 90,009,932.40 : x
  2. Step 2: Convert to fraction form
    130,824,601.20/196,236,901.80 = 90,009,932.40/x
  3. Step 3: Cross multiply
    130,824,601.20x = 196,236,901.80 × 90,009,932.40
  4. Step 4: Simplify right side
    130,824,601.20x = 17,663,270,265,403,440
  5. Step 5: Solve for x
    x = 17,663,270,265,403,440/130,824,601.20
  6. Step 6: Final answer
    x = 135,014,898.60

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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.