Home / 156,779,871.80-235,154,611.20-47,606,002.52

Finding the Fourth Proportional to 156,779,871.80, 235,154,611.20 and 47,606,002.52

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Solution

The fourth proportional to 156,779,871.80, 235,154,611.20 and 47,606,002.52 is: 71,404,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,779,871.80 : 235,154,611.20 = 47,606,002.52 : x
  2. Step 2: Convert to fraction form
    156,779,871.80/235,154,611.20 = 47,606,002.52/x
  3. Step 3: Cross multiply
    156,779,871.80x = 235,154,611.20 × 47,606,002.52
  4. Step 4: Simplify right side
    156,779,871.80x = 11,194,771,013,376,820
  5. Step 5: Solve for x
    x = 11,194,771,013,376,820/156,779,871.80
  6. Step 6: Final answer
    x = 71,404,389.38

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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.