Home / 78,007,477.40-117,011,216.10-58,733,883.80

Finding the Fourth Proportional to 78,007,477.40, 117,011,216.10 and 58,733,883.80

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Solution

The fourth proportional to 78,007,477.40, 117,011,216.10 and 58,733,883.80 is: 88,100,825.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,007,477.40 : 117,011,216.10 = 58,733,883.80 : x
  2. Step 2: Convert to fraction form
    78,007,477.40/117,011,216.10 = 58,733,883.80/x
  3. Step 3: Cross multiply
    78,007,477.40x = 117,011,216.10 × 58,733,883.80
  4. Step 4: Simplify right side
    78,007,477.40x = 6,872,523,169,714,088
  5. Step 5: Solve for x
    x = 6,872,523,169,714,088/78,007,477.40
  6. Step 6: Final answer
    x = 88,100,825.70

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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.