Home / 342,312,074.80-472,390,179.02-185,678,992.64

Finding the Fourth Proportional to 342,312,074.80, 472,390,179.02 and 185,678,992.64

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Solution

The fourth proportional to 342,312,074.80, 472,390,179.02 and 185,678,992.64 is: 256,236,747.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,312,074.80 : 472,390,179.02 = 185,678,992.64 : x
  2. Step 2: Convert to fraction form
    342,312,074.80/472,390,179.02 = 185,678,992.64/x
  3. Step 3: Cross multiply
    342,312,074.80x = 472,390,179.02 × 185,678,992.64
  4. Step 4: Simplify right side
    342,312,074.80x = 87,712,932,574,411,744
  5. Step 5: Solve for x
    x = 87,712,932,574,411,744/342,312,074.80
  6. Step 6: Final answer
    x = 256,236,747.20

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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.