Home / 110,700,025.40-166,050,038.10-78,388,412.60

Finding the Fourth Proportional to 110,700,025.40, 166,050,038.10 and 78,388,412.60

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Solution

The fourth proportional to 110,700,025.40, 166,050,038.10 and 78,388,412.60 is: 117,582,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,700,025.40 : 166,050,038.10 = 78,388,412.60 : x
  2. Step 2: Convert to fraction form
    110,700,025.40/166,050,038.10 = 78,388,412.60/x
  3. Step 3: Cross multiply
    110,700,025.40x = 166,050,038.10 × 78,388,412.60
  4. Step 4: Simplify right side
    110,700,025.40x = 13,016,398,898,828,518
  5. Step 5: Solve for x
    x = 13,016,398,898,828,518/110,700,025.40
  6. Step 6: Final answer
    x = 117,582,618.90

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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.