Home / 78,300,032.20-117,492,038.70-32,866,419.40

Finding the Fourth Proportional to 78,300,032.20, 117,492,038.70 and 32,866,419.40

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Solution

The fourth proportional to 78,300,032.20, 117,492,038.70 and 32,866,419.40 is: 49,317,254.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,300,032.20 : 117,492,038.70 = 32,866,419.40 : x
  2. Step 2: Convert to fraction form
    78,300,032.20/117,492,038.70 = 32,866,419.40/x
  3. Step 3: Cross multiply
    78,300,032.20x = 117,492,038.70 × 32,866,419.40
  4. Step 4: Simplify right side
    78,300,032.20x = 3,861,542,620,075,230.50
  5. Step 5: Solve for x
    x = 3,861,542,620,075,230.50/78,300,032.20
  6. Step 6: Final answer
    x = 49,317,254.56

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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.