Home / 194,210,288.60-291,427,407.30-73,128,637.40

Finding the Fourth Proportional to 194,210,288.60, 291,427,407.30 and 73,128,637.40

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Solution

The fourth proportional to 194,210,288.60, 291,427,407.30 and 73,128,637.40 is: 109,735,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,210,288.60 : 291,427,407.30 = 73,128,637.40 : x
  2. Step 2: Convert to fraction form
    194,210,288.60/291,427,407.30 = 73,128,637.40/x
  3. Step 3: Cross multiply
    194,210,288.60x = 291,427,407.30 × 73,128,637.40
  4. Step 4: Simplify right side
    194,210,288.60x = 21,311,689,196,863,816
  5. Step 5: Solve for x
    x = 21,311,689,196,863,816/194,210,288.60
  6. Step 6: Final answer
    x = 109,735,119.34

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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.