Home / 42,765,328.45-59,064,865.91-28,990,377.73

Finding the Fourth Proportional to 42,765,328.45, 59,064,865.91 and 28,990,377.73

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Solution

The fourth proportional to 42,765,328.45, 59,064,865.91 and 28,990,377.73 is: 40,039,743.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765,328.45 : 59,064,865.91 = 28,990,377.73 : x
  2. Step 2: Convert to fraction form
    42,765,328.45/59,064,865.91 = 28,990,377.73/x
  3. Step 3: Cross multiply
    42,765,328.45x = 59,064,865.91 × 28,990,377.73
  4. Step 4: Simplify right side
    42,765,328.45x = 1,712,312,773,118,800
  5. Step 5: Solve for x
    x = 1,712,312,773,118,800/42,765,328.45
  6. Step 6: Final answer
    x = 40,039,743.30

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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.