Home / 78,678,033.40-118,017,050.10-44,665,809.40

Finding the Fourth Proportional to 78,678,033.40, 118,017,050.10 and 44,665,809.40

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Solution

The fourth proportional to 78,678,033.40, 118,017,050.10 and 44,665,809.40 is: 66,998,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,678,033.40 : 118,017,050.10 = 44,665,809.40 : x
  2. Step 2: Convert to fraction form
    78,678,033.40/118,017,050.10 = 44,665,809.40/x
  3. Step 3: Cross multiply
    78,678,033.40x = 118,017,050.10 × 44,665,809.40
  4. Step 4: Simplify right side
    78,678,033.40x = 5,271,327,065,716,850
  5. Step 5: Solve for x
    x = 5,271,327,065,716,850/78,678,033.40
  6. Step 6: Final answer
    x = 66,998,714.10

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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.