Home / 178,880,600.40-246,849,478.20-100,567,441.68

Finding the Fourth Proportional to 178,880,600.40, 246,849,478.20 and 100,567,441.68

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Solution

The fourth proportional to 178,880,600.40, 246,849,478.20 and 100,567,441.68 is: 138,779,836.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,880,600.40 : 246,849,478.20 = 100,567,441.68 : x
  2. Step 2: Convert to fraction form
    178,880,600.40/246,849,478.20 = 100,567,441.68/x
  3. Step 3: Cross multiply
    178,880,600.40x = 246,849,478.20 × 100,567,441.68
  4. Step 4: Simplify right side
    178,880,600.40x = 24,825,020,502,616,932
  5. Step 5: Solve for x
    x = 24,825,020,502,616,932/178,880,600.40
  6. Step 6: Final answer
    x = 138,779,836.65

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1.5x scale

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.