Home / 147,524,484.70-221,286,727.05-70,996,980.70

Finding the Fourth Proportional to 147,524,484.70, 221,286,727.05 and 70,996,980.70

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Solution

The fourth proportional to 147,524,484.70, 221,286,727.05 and 70,996,980.70 is: 106,495,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,524,484.70 : 221,286,727.05 = 70,996,980.70 : x
  2. Step 2: Convert to fraction form
    147,524,484.70/221,286,727.05 = 70,996,980.70/x
  3. Step 3: Cross multiply
    147,524,484.70x = 221,286,727.05 × 70,996,980.70
  4. Step 4: Simplify right side
    147,524,484.70x = 15,710,689,489,535,020
  5. Step 5: Solve for x
    x = 15,710,689,489,535,020/147,524,484.70
  6. Step 6: Final answer
    x = 106,495,471.05

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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.