Home / 78,877,412.10-118,325,334.15-25,030,167.30

Finding the Fourth Proportional to 78,877,412.10, 118,325,334.15 and 25,030,167.30

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Solution

The fourth proportional to 78,877,412.10, 118,325,334.15 and 25,030,167.30 is: 37,548,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,877,412.10 : 118,325,334.15 = 25,030,167.30 : x
  2. Step 2: Convert to fraction form
    78,877,412.10/118,325,334.15 = 25,030,167.30/x
  3. Step 3: Cross multiply
    78,877,412.10x = 118,325,334.15 × 25,030,167.30
  4. Step 4: Simplify right side
    78,877,412.10x = 2,961,702,909,602,903.50
  5. Step 5: Solve for x
    x = 2,961,702,909,602,903.50/78,877,412.10
  6. Step 6: Final answer
    x = 37,548,175.46

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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.