Home / 156,779,855.30-235,154,586.45-47,605,986.02

Finding the Fourth Proportional to 156,779,855.30, 235,154,586.45 and 47,605,986.02

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Solution

The fourth proportional to 156,779,855.30, 235,154,586.45 and 47,605,986.02 is: 71,404,364.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,855.30 : 235,154,586.45 = 47,605,986.02 : x
  2. Step 2: Convert to fraction form
    156,779,855.30/235,154,586.45 = 47,605,986.02/x
  3. Step 3: Cross multiply
    156,779,855.30x = 235,154,586.45 × 47,605,986.02
  4. Step 4: Simplify right side
    156,779,855.30x = 11,194,765,955,077,582
  5. Step 5: Solve for x
    x = 11,194,765,955,077,582/156,779,855.30
  6. Step 6: Final answer
    x = 71,404,364.63

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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.