Home / 156,779,380.77-235,153,875.20-47,605,511.48

Finding the Fourth Proportional to 156,779,380.77, 235,153,875.20 and 47,605,511.48

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Solution

The fourth proportional to 156,779,380.77, 235,153,875.20 and 47,605,511.48 is: 71,403,653.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,380.77 : 235,153,875.20 = 47,605,511.48 : x
  2. Step 2: Convert to fraction form
    156,779,380.77/235,153,875.20 = 47,605,511.48/x
  3. Step 3: Cross multiply
    156,779,380.77x = 235,153,875.20 × 47,605,511.48
  4. Step 4: Simplify right side
    156,779,380.77x = 11,194,620,503,986,290
  5. Step 5: Solve for x
    x = 11,194,620,503,986,290/156,779,380.77
  6. Step 6: Final answer
    x = 71,403,653.01

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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.