Home / 286,897,245.12-430,344,436.38-112,038,045.55

Finding the Fourth Proportional to 286,897,245.12, 430,344,436.38 and 112,038,045.55

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Solution

The fourth proportional to 286,897,245.12, 430,344,436.38 and 112,038,045.55 is: 168,056,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,897,245.12 : 430,344,436.38 = 112,038,045.55 : x
  2. Step 2: Convert to fraction form
    286,897,245.12/430,344,436.38 = 112,038,045.55/x
  3. Step 3: Cross multiply
    286,897,245.12x = 430,344,436.38 × 112,038,045.55
  4. Step 4: Simplify right side
    286,897,245.12x = 48,214,949,564,782,232
  5. Step 5: Solve for x
    x = 48,214,949,564,782,232/286,897,245.12
  6. Step 6: Final answer
    x = 168,056,509.38

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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.