Home / 125,348,645.93-172,860,916.70-80,648,995.79

Finding the Fourth Proportional to 125,348,645.93, 172,860,916.70 and 80,648,995.79

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Solution

The fourth proportional to 125,348,645.93, 172,860,916.70 and 80,648,995.79 is: 111,218,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,348,645.93 : 172,860,916.70 = 80,648,995.79 : x
  2. Step 2: Convert to fraction form
    125,348,645.93/172,860,916.70 = 80,648,995.79/x
  3. Step 3: Cross multiply
    125,348,645.93x = 172,860,916.70 × 80,648,995.79
  4. Step 4: Simplify right side
    125,348,645.93x = 13,941,059,343,827,616
  5. Step 5: Solve for x
    x = 13,941,059,343,827,616/125,348,645.93
  6. Step 6: Final answer
    x = 111,218,268.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.