Home / 238,464,803.40-357,697,205.10-198,154,019.40

Finding the Fourth Proportional to 238,464,803.40, 357,697,205.10 and 198,154,019.40

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Solution

The fourth proportional to 238,464,803.40, 357,697,205.10 and 198,154,019.40 is: 297,231,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,464,803.40 : 357,697,205.10 = 198,154,019.40 : x
  2. Step 2: Convert to fraction form
    238,464,803.40/357,697,205.10 = 198,154,019.40/x
  3. Step 3: Cross multiply
    238,464,803.40x = 357,697,205.10 × 198,154,019.40
  4. Step 4: Simplify right side
    238,464,803.40x = 70,879,138,918,711,184
  5. Step 5: Solve for x
    x = 70,879,138,918,711,184/238,464,803.40
  6. Step 6: Final answer
    x = 297,231,029.10

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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.