Home / 348,303,742.80-521,951,729.40-154,056,152.40

Finding the Fourth Proportional to 348,303,742.80, 521,951,729.40 and 154,056,152.40

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Solution

The fourth proportional to 348,303,742.80, 521,951,729.40 and 154,056,152.40 is: 230,861,358.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,303,742.80 : 521,951,729.40 = 154,056,152.40 : x
  2. Step 2: Convert to fraction form
    348,303,742.80/521,951,729.40 = 154,056,152.40/x
  3. Step 3: Cross multiply
    348,303,742.80x = 521,951,729.40 × 154,056,152.40
  4. Step 4: Simplify right side
    348,303,742.80x = 80,409,875,169,889,952
  5. Step 5: Solve for x
    x = 80,409,875,169,889,952/348,303,742.80
  6. Step 6: Final answer
    x = 230,861,358.32

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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.