Home / 70,591,126.20-105,886,689.30-46,404,655.80

Finding the Fourth Proportional to 70,591,126.20, 105,886,689.30 and 46,404,655.80

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Solution

The fourth proportional to 70,591,126.20, 105,886,689.30 and 46,404,655.80 is: 69,606,983.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,591,126.20 : 105,886,689.30 = 46,404,655.80 : x
  2. Step 2: Convert to fraction form
    70,591,126.20/105,886,689.30 = 46,404,655.80/x
  3. Step 3: Cross multiply
    70,591,126.20x = 105,886,689.30 × 46,404,655.80
  4. Step 4: Simplify right side
    70,591,126.20x = 4,913,635,370,768,042
  5. Step 5: Solve for x
    x = 4,913,635,370,768,042/70,591,126.20
  6. Step 6: Final answer
    x = 69,606,983.70

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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.