Home / 243,370,509.12-364,810,119.84-152,557,871.04

Finding the Fourth Proportional to 243,370,509.12, 364,810,119.84 and 152,557,871.04

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Solution

The fourth proportional to 243,370,509.12, 364,810,119.84 and 152,557,871.04 is: 228,682,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,370,509.12 : 364,810,119.84 = 152,557,871.04 : x
  2. Step 2: Convert to fraction form
    243,370,509.12/364,810,119.84 = 152,557,871.04/x
  3. Step 3: Cross multiply
    243,370,509.12x = 364,810,119.84 × 152,557,871.04
  4. Step 4: Simplify right side
    243,370,509.12x = 55,654,655,216,637,656
  5. Step 5: Solve for x
    x = 55,654,655,216,637,656/243,370,509.12
  6. Step 6: Final answer
    x = 228,682,823.64

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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.