Home / 155,139,568.80-232,709,353.20-152,872,087.20

Finding the Fourth Proportional to 155,139,568.80, 232,709,353.20 and 152,872,087.20

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Solution

The fourth proportional to 155,139,568.80, 232,709,353.20 and 152,872,087.20 is: 229,308,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,139,568.80 : 232,709,353.20 = 152,872,087.20 : x
  2. Step 2: Convert to fraction form
    155,139,568.80/232,709,353.20 = 152,872,087.20/x
  3. Step 3: Cross multiply
    155,139,568.80x = 232,709,353.20 × 152,872,087.20
  4. Step 4: Simplify right side
    155,139,568.80x = 35,574,764,534,645,996
  5. Step 5: Solve for x
    x = 35,574,764,534,645,996/155,139,568.80
  6. Step 6: Final answer
    x = 229,308,130.80

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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.