Home / 78,877,404.60-118,325,322.90-25,030,159.80

Finding the Fourth Proportional to 78,877,404.60, 118,325,322.90 and 25,030,159.80

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Solution

The fourth proportional to 78,877,404.60, 118,325,322.90 and 25,030,159.80 is: 37,548,164.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,877,404.60 : 118,325,322.90 = 25,030,159.80 : x
  2. Step 2: Convert to fraction form
    78,877,404.60/118,325,322.90 = 25,030,159.80/x
  3. Step 3: Cross multiply
    78,877,404.60x = 118,325,322.90 × 25,030,159.80
  4. Step 4: Simplify right side
    78,877,404.60x = 2,961,701,740,573,599.50
  5. Step 5: Solve for x
    x = 2,961,701,740,573,599.50/78,877,404.60
  6. Step 6: Final answer
    x = 37,548,164.21

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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.