Home / 245,919,781.40-368,879,672.10-75,718,693.40

Finding the Fourth Proportional to 245,919,781.40, 368,879,672.10 and 75,718,693.40

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Solution

The fourth proportional to 245,919,781.40, 368,879,672.10 and 75,718,693.40 is: 113,578,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,919,781.40 : 368,879,672.10 = 75,718,693.40 : x
  2. Step 2: Convert to fraction form
    245,919,781.40/368,879,672.10 = 75,718,693.40/x
  3. Step 3: Cross multiply
    245,919,781.40x = 368,879,672.10 × 75,718,693.40
  4. Step 4: Simplify right side
    245,919,781.40x = 27,931,086,793,232,440
  5. Step 5: Solve for x
    x = 27,931,086,793,232,440/245,919,781.40
  6. Step 6: Final answer
    x = 113,578,040.10

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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.