Home / 156,779,377.84-235,153,870.85-47,605,508.56

Finding the Fourth Proportional to 156,779,377.84, 235,153,870.85 and 47,605,508.56

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Solution

The fourth proportional to 156,779,377.84, 235,153,870.85 and 47,605,508.56 is: 71,403,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,377.84 : 235,153,870.85 = 47,605,508.56 : x
  2. Step 2: Convert to fraction form
    156,779,377.84/235,153,870.85 = 47,605,508.56/x
  3. Step 3: Cross multiply
    156,779,377.84x = 235,153,870.85 × 47,605,508.56
  4. Step 4: Simplify right side
    156,779,377.84x = 11,194,619,611,666,810
  5. Step 5: Solve for x
    x = 11,194,619,611,666,810/156,779,377.84
  6. Step 6: Final answer
    x = 71,403,648.66

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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.