Home / 156,779,864.80-235,154,600.70-47,605,995.52

Finding the Fourth Proportional to 156,779,864.80, 235,154,600.70 and 47,605,995.52

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Solution

The fourth proportional to 156,779,864.80, 235,154,600.70 and 47,605,995.52 is: 71,404,378.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,864.80 : 235,154,600.70 = 47,605,995.52 : x
  2. Step 2: Convert to fraction form
    156,779,864.80/235,154,600.70 = 47,605,995.52/x
  3. Step 3: Cross multiply
    156,779,864.80x = 235,154,600.70 × 47,605,995.52
  4. Step 4: Simplify right side
    156,779,864.80x = 11,194,768,867,431,590
  5. Step 5: Solve for x
    x = 11,194,768,867,431,590/156,779,864.80
  6. Step 6: Final answer
    x = 71,404,378.88

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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.