Home / 156,779,387.69-235,153,885.57-47,605,518.37

Finding the Fourth Proportional to 156,779,387.69, 235,153,885.57 and 47,605,518.37

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Solution

The fourth proportional to 156,779,387.69, 235,153,885.57 and 47,605,518.37 is: 71,403,663.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,387.69 : 235,153,885.57 = 47,605,518.37 : x
  2. Step 2: Convert to fraction form
    156,779,387.69/235,153,885.57 = 47,605,518.37/x
  3. Step 3: Cross multiply
    156,779,387.69x = 235,153,885.57 × 47,605,518.37
  4. Step 4: Simplify right side
    156,779,387.69x = 11,194,622,619,279,512
  5. Step 5: Solve for x
    x = 11,194,622,619,279,512/156,779,387.69
  6. Step 6: Final answer
    x = 71,403,663.36

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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.