Home / 205,422,335.34-308,168,145.12-69,075,307.50

Finding the Fourth Proportional to 205,422,335.34, 308,168,145.12 and 69,075,307.50

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Solution

The fourth proportional to 205,422,335.34, 308,168,145.12 and 69,075,307.50 is: 103,624,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,422,335.34 : 308,168,145.12 = 69,075,307.50 : x
  2. Step 2: Convert to fraction form
    205,422,335.34/308,168,145.12 = 69,075,307.50/x
  3. Step 3: Cross multiply
    205,422,335.34x = 308,168,145.12 × 69,075,307.50
  4. Step 4: Simplify right side
    205,422,335.34x = 21,286,809,385,868,624
  5. Step 5: Solve for x
    x = 21,286,809,385,868,624/205,422,335.34
  6. Step 6: Final answer
    x = 103,624,610.00

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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.