Home / 255,492,031.60-383,238,047.40-91,808,203.60

Finding the Fourth Proportional to 255,492,031.60, 383,238,047.40 and 91,808,203.60

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Solution

The fourth proportional to 255,492,031.60, 383,238,047.40 and 91,808,203.60 is: 137,712,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,492,031.60 : 383,238,047.40 = 91,808,203.60 : x
  2. Step 2: Convert to fraction form
    255,492,031.60/383,238,047.40 = 91,808,203.60/x
  3. Step 3: Cross multiply
    255,492,031.60x = 383,238,047.40 × 91,808,203.60
  4. Step 4: Simplify right side
    255,492,031.60x = 35,184,396,682,965,648
  5. Step 5: Solve for x
    x = 35,184,396,682,965,648/255,492,031.60
  6. Step 6: Final answer
    x = 137,712,305.40

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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.