Home / 315,603,303.12-435,494,833.02-174,455,455.50

Finding the Fourth Proportional to 315,603,303.12, 435,494,833.02 and 174,455,455.50

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Solution

The fourth proportional to 315,603,303.12, 435,494,833.02 and 174,455,455.50 is: 240,727,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,603,303.12 : 435,494,833.02 = 174,455,455.50 : x
  2. Step 2: Convert to fraction form
    315,603,303.12/435,494,833.02 = 174,455,455.50/x
  3. Step 3: Cross multiply
    315,603,303.12x = 435,494,833.02 × 174,455,455.50
  4. Step 4: Simplify right side
    315,603,303.12x = 75,974,449,462,400,544
  5. Step 5: Solve for x
    x = 75,974,449,462,400,544/315,603,303.12
  6. Step 6: Final answer
    x = 240,727,675.25

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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.