Home / 130,827,688.20-196,241,532.30-90,013,019.40

Finding the Fourth Proportional to 130,827,688.20, 196,241,532.30 and 90,013,019.40

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Solution

The fourth proportional to 130,827,688.20, 196,241,532.30 and 90,013,019.40 is: 135,019,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,827,688.20 : 196,241,532.30 = 90,013,019.40 : x
  2. Step 2: Convert to fraction form
    130,827,688.20/196,241,532.30 = 90,013,019.40/x
  3. Step 3: Cross multiply
    130,827,688.20x = 196,241,532.30 × 90,013,019.40
  4. Step 4: Simplify right side
    130,827,688.20x = 17,664,292,854,005,628
  5. Step 5: Solve for x
    x = 17,664,292,854,005,628/130,827,688.20
  6. Step 6: Final answer
    x = 135,019,529.10

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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.