Home / 53,445,272.30-80,167,908.45-45,792,521.90

Finding the Fourth Proportional to 53,445,272.30, 80,167,908.45 and 45,792,521.90

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Solution

The fourth proportional to 53,445,272.30, 80,167,908.45 and 45,792,521.90 is: 68,688,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445,272.30 : 80,167,908.45 = 45,792,521.90 : x
  2. Step 2: Convert to fraction form
    53,445,272.30/80,167,908.45 = 45,792,521.90/x
  3. Step 3: Cross multiply
    53,445,272.30x = 80,167,908.45 × 45,792,521.90
  4. Step 4: Simplify right side
    53,445,272.30x = 3,671,090,703,373,820
  5. Step 5: Solve for x
    x = 3,671,090,703,373,820/53,445,272.30
  6. Step 6: Final answer
    x = 68,688,782.85

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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.