Home / 223,983,323.40-309,096,921.78-120,966,875.40

Finding the Fourth Proportional to 223,983,323.40, 309,096,921.78 and 120,966,875.40

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Solution

The fourth proportional to 223,983,323.40, 309,096,921.78 and 120,966,875.40 is: 166,934,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,983,323.40 : 309,096,921.78 = 120,966,875.40 : x
  2. Step 2: Convert to fraction form
    223,983,323.40/309,096,921.78 = 120,966,875.40/x
  3. Step 3: Cross multiply
    223,983,323.40x = 309,096,921.78 × 120,966,875.40
  4. Step 4: Simplify right side
    223,983,323.40x = 37,390,488,823,484,808
  5. Step 5: Solve for x
    x = 37,390,488,823,484,808/223,983,323.40
  6. Step 6: Final answer
    x = 166,934,253.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.