Home / 74,886,686.40-112,330,029.60-61,281,796.80

Finding the Fourth Proportional to 74,886,686.40, 112,330,029.60 and 61,281,796.80

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Solution

The fourth proportional to 74,886,686.40, 112,330,029.60 and 61,281,796.80 is: 91,922,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886,686.40 : 112,330,029.60 = 61,281,796.80 : x
  2. Step 2: Convert to fraction form
    74,886,686.40/112,330,029.60 = 61,281,796.80/x
  3. Step 3: Cross multiply
    74,886,686.40x = 112,330,029.60 × 61,281,796.80
  4. Step 4: Simplify right side
    74,886,686.40x = 6,883,786,048,485,185
  5. Step 5: Solve for x
    x = 6,883,786,048,485,185/74,886,686.40
  6. Step 6: Final answer
    x = 91,922,695.20

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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.