Home / 289,948,505.16-434,963,613.54-93,145,927.41

Finding the Fourth Proportional to 289,948,505.16, 434,963,613.54 and 93,145,927.41

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Solution

The fourth proportional to 289,948,505.16, 434,963,613.54 and 93,145,927.41 is: 139,732,016.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,948,505.16 : 434,963,613.54 = 93,145,927.41 : x
  2. Step 2: Convert to fraction form
    289,948,505.16/434,963,613.54 = 93,145,927.41/x
  3. Step 3: Cross multiply
    289,948,505.16x = 434,963,613.54 × 93,145,927.41
  4. Step 4: Simplify right side
    289,948,505.16x = 40,515,089,172,788,136
  5. Step 5: Solve for x
    x = 40,515,089,172,788,136/289,948,505.16
  6. Step 6: Final answer
    x = 139,732,016.04

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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.