Home / 201,878,431.40-302,820,050.12-56,303,135.60

Finding the Fourth Proportional to 201,878,431.40, 302,820,050.12 and 56,303,135.60

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Solution

The fourth proportional to 201,878,431.40, 302,820,050.12 and 56,303,135.60 is: 84,455,373.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,878,431.40 : 302,820,050.12 = 56,303,135.60 : x
  2. Step 2: Convert to fraction form
    201,878,431.40/302,820,050.12 = 56,303,135.60/x
  3. Step 3: Cross multiply
    201,878,431.40x = 302,820,050.12 × 56,303,135.60
  4. Step 4: Simplify right side
    201,878,431.40x = 17,049,718,344,305,156
  5. Step 5: Solve for x
    x = 17,049,718,344,305,156/201,878,431.40
  6. Step 6: Final answer
    x = 84,455,373.59

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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.