Home / 90,783,145.60-136,174,718.40-62,117,699.20

Finding the Fourth Proportional to 90,783,145.60, 136,174,718.40 and 62,117,699.20

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Solution

The fourth proportional to 90,783,145.60, 136,174,718.40 and 62,117,699.20 is: 93,176,548.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,783,145.60 : 136,174,718.40 = 62,117,699.20 : x
  2. Step 2: Convert to fraction form
    90,783,145.60/136,174,718.40 = 62,117,699.20/x
  3. Step 3: Cross multiply
    90,783,145.60x = 136,174,718.40 × 62,117,699.20
  4. Step 4: Simplify right side
    90,783,145.60x = 8,458,860,196,215,906
  5. Step 5: Solve for x
    x = 8,458,860,196,215,906/90,783,145.60
  6. Step 6: Final answer
    x = 93,176,548.80

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1.5x scale

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.