Home / 78,325,411.42-108,091,984.85-46,968,565.59

Finding the Fourth Proportional to 78,325,411.42, 108,091,984.85 and 46,968,565.59

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Solution

The fourth proportional to 78,325,411.42, 108,091,984.85 and 46,968,565.59 is: 64,818,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,325,411.42 : 108,091,984.85 = 46,968,565.59 : x
  2. Step 2: Convert to fraction form
    78,325,411.42/108,091,984.85 = 46,968,565.59/x
  3. Step 3: Cross multiply
    78,325,411.42x = 108,091,984.85 × 46,968,565.59
  4. Step 4: Simplify right side
    78,325,411.42x = 5,076,925,480,180,511
  5. Step 5: Solve for x
    x = 5,076,925,480,180,511/78,325,411.42
  6. Step 6: Final answer
    x = 64,818,369.77

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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.