Home / 80,879,643.60-121,319,465.40-23,373,790.80

Finding the Fourth Proportional to 80,879,643.60, 121,319,465.40 and 23,373,790.80

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Solution

The fourth proportional to 80,879,643.60, 121,319,465.40 and 23,373,790.80 is: 35,060,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,879,643.60 : 121,319,465.40 = 23,373,790.80 : x
  2. Step 2: Convert to fraction form
    80,879,643.60/121,319,465.40 = 23,373,790.80/x
  3. Step 3: Cross multiply
    80,879,643.60x = 121,319,465.40 × 23,373,790.80
  4. Step 4: Simplify right side
    80,879,643.60x = 2,835,695,804,227,438.50
  5. Step 5: Solve for x
    x = 2,835,695,804,227,438.50/80,879,643.60
  6. Step 6: Final answer
    x = 35,060,686.20

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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.