Home / 70,380,482.12-105,570,511.86-17,858,051.86

Finding the Fourth Proportional to 70,380,482.12, 105,570,511.86 and 17,858,051.86

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Solution

The fourth proportional to 70,380,482.12, 105,570,511.86 and 17,858,051.86 is: 26,787,024.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,380,482.12 : 105,570,511.86 = 17,858,051.86 : x
  2. Step 2: Convert to fraction form
    70,380,482.12/105,570,511.86 = 17,858,051.86/x
  3. Step 3: Cross multiply
    70,380,482.12x = 105,570,511.86 × 17,858,051.86
  4. Step 4: Simplify right side
    70,380,482.12x = 1,885,283,675,154,772.50
  5. Step 5: Solve for x
    x = 1,885,283,675,154,772.50/70,380,482.12
  6. Step 6: Final answer
    x = 26,787,024.16

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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.