Home / 76,742,524,872.38-105,897,577,205.50-42,447,493,305.86

Finding the Fourth Proportional to 76,742,524,872.38, 105,897,577,205.50 and 42,447,493,305.86

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Solution

The fourth proportional to 76,742,524,872.38, 105,897,577,205.50 and 42,447,493,305.86 is: 58,573,609,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,742,524,872.38 : 105,897,577,205.50 = 42,447,493,305.86 : x
  2. Step 2: Convert to fraction form
    76,742,524,872.38/105,897,577,205.50 = 42,447,493,305.86/x
  3. Step 3: Cross multiply
    76,742,524,872.38x = 105,897,577,205.50 × 42,447,493,305.86
  4. Step 4: Simplify right side
    76,742,524,872.38x = 4,495,086,699,536,724,787,200
  5. Step 5: Solve for x
    x = 4,495,086,699,536,724,787,200/76,742,524,872.38
  6. Step 6: Final answer
    x = 58,573,609,703.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.