Home / 117,452,401.20-176,178,601.80-76,637,732.40

Finding the Fourth Proportional to 117,452,401.20, 176,178,601.80 and 76,637,732.40

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Solution

The fourth proportional to 117,452,401.20, 176,178,601.80 and 76,637,732.40 is: 114,956,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,452,401.20 : 176,178,601.80 = 76,637,732.40 : x
  2. Step 2: Convert to fraction form
    117,452,401.20/176,178,601.80 = 76,637,732.40/x
  3. Step 3: Cross multiply
    117,452,401.20x = 176,178,601.80 × 76,637,732.40
  4. Step 4: Simplify right side
    117,452,401.20x = 13,501,928,539,354,560
  5. Step 5: Solve for x
    x = 13,501,928,539,354,560/117,452,401.20
  6. Step 6: Final answer
    x = 114,956,598.60

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1.5x scale

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.