Home / 34,509,075.60-51,700,627.80-21,030,157.20

Finding the Fourth Proportional to 34,509,075.60, 51,700,627.80 and 21,030,157.20

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Solution

The fourth proportional to 34,509,075.60, 51,700,627.80 and 21,030,157.20 is: 31,506,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,509,075.60 : 51,700,627.80 = 21,030,157.20 : x
  2. Step 2: Convert to fraction form
    34,509,075.60/51,700,627.80 = 21,030,157.20/x
  3. Step 3: Cross multiply
    34,509,075.60x = 51,700,627.80 × 21,030,157.20
  4. Step 4: Simplify right side
    34,509,075.60x = 1,087,272,329,972,690
  5. Step 5: Solve for x
    x = 1,087,272,329,972,690/34,509,075.60
  6. Step 6: Final answer
    x = 31,506,851.78

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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.