Home / 289,948,508.16-434,963,618.04-93,145,930.41

Finding the Fourth Proportional to 289,948,508.16, 434,963,618.04 and 93,145,930.41

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Solution

The fourth proportional to 289,948,508.16, 434,963,618.04 and 93,145,930.41 is: 139,732,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,948,508.16 : 434,963,618.04 = 93,145,930.41 : x
  2. Step 2: Convert to fraction form
    289,948,508.16/434,963,618.04 = 93,145,930.41/x
  3. Step 3: Cross multiply
    289,948,508.16x = 434,963,618.04 × 93,145,930.41
  4. Step 4: Simplify right side
    289,948,508.16x = 40,515,090,896,835,664
  5. Step 5: Solve for x
    x = 40,515,090,896,835,664/289,948,508.16
  6. Step 6: Final answer
    x = 139,732,020.54

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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.