Home / 105,630,401.80-158,445,602.70-104,958,555.40

Finding the Fourth Proportional to 105,630,401.80, 158,445,602.70 and 104,958,555.40

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Solution

The fourth proportional to 105,630,401.80, 158,445,602.70 and 104,958,555.40 is: 157,437,833.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,630,401.80 : 158,445,602.70 = 104,958,555.40 : x
  2. Step 2: Convert to fraction form
    105,630,401.80/158,445,602.70 = 104,958,555.40/x
  3. Step 3: Cross multiply
    105,630,401.80x = 158,445,602.70 × 104,958,555.40
  4. Step 4: Simplify right side
    105,630,401.80x = 16,630,221,568,874,340
  5. Step 5: Solve for x
    x = 16,630,221,568,874,340/105,630,401.80
  6. Step 6: Final answer
    x = 157,437,833.10

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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.