Home / 98,424,042.30-147,636,063.45-30,257,876.70

Finding the Fourth Proportional to 98,424,042.30, 147,636,063.45 and 30,257,876.70

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Solution

The fourth proportional to 98,424,042.30, 147,636,063.45 and 30,257,876.70 is: 45,386,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,424,042.30 : 147,636,063.45 = 30,257,876.70 : x
  2. Step 2: Convert to fraction form
    98,424,042.30/147,636,063.45 = 30,257,876.70/x
  3. Step 3: Cross multiply
    98,424,042.30x = 147,636,063.45 × 30,257,876.70
  4. Step 4: Simplify right side
    98,424,042.30x = 4,467,153,804,343,476
  5. Step 5: Solve for x
    x = 4,467,153,804,343,476/98,424,042.30
  6. Step 6: Final answer
    x = 45,386,815.05

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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.