Home / 85,801,830.46-118,406,031.26-48,639,120.77

Finding the Fourth Proportional to 85,801,830.46, 118,406,031.26 and 48,639,120.77

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Solution

The fourth proportional to 85,801,830.46, 118,406,031.26 and 48,639,120.77 is: 67,121,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,801,830.46 : 118,406,031.26 = 48,639,120.77 : x
  2. Step 2: Convert to fraction form
    85,801,830.46/118,406,031.26 = 48,639,120.77/x
  3. Step 3: Cross multiply
    85,801,830.46x = 118,406,031.26 × 48,639,120.77
  4. Step 4: Simplify right side
    85,801,830.46x = 5,759,165,254,404,355
  5. Step 5: Solve for x
    x = 5,759,165,254,404,355/85,801,830.46
  6. Step 6: Final answer
    x = 67,121,706.19

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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.