Home / 78,421,706.10-117,744,533.55-44,409,482.10

Finding the Fourth Proportional to 78,421,706.10, 117,744,533.55 and 44,409,482.10

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Solution

The fourth proportional to 78,421,706.10, 117,744,533.55 and 44,409,482.10 is: 66,677,633.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,421,706.10 : 117,744,533.55 = 44,409,482.10 : x
  2. Step 2: Convert to fraction form
    78,421,706.10/117,744,533.55 = 44,409,482.10/x
  3. Step 3: Cross multiply
    78,421,706.10x = 117,744,533.55 × 44,409,482.10
  4. Step 4: Simplify right side
    78,421,706.10x = 5,228,973,755,061,574
  5. Step 5: Solve for x
    x = 5,228,973,755,061,574/78,421,706.10
  6. Step 6: Final answer
    x = 66,677,633.21

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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.