Home / 98,469,547.20-147,731,623.20-40,988,894.40

Finding the Fourth Proportional to 98,469,547.20, 147,731,623.20 and 40,988,894.40

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Solution

The fourth proportional to 98,469,547.20, 147,731,623.20 and 40,988,894.40 is: 61,494,706.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,469,547.20 : 147,731,623.20 = 40,988,894.40 : x
  2. Step 2: Convert to fraction form
    98,469,547.20/147,731,623.20 = 40,988,894.40/x
  3. Step 3: Cross multiply
    98,469,547.20x = 147,731,623.20 × 40,988,894.40
  4. Step 4: Simplify right side
    98,469,547.20x = 6,055,355,902,885,389
  5. Step 5: Solve for x
    x = 6,055,355,902,885,389/98,469,547.20
  6. Step 6: Final answer
    x = 61,494,706.49

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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.