Home / 139,968,762.90-209,953,144.35-89,076,398.10

Finding the Fourth Proportional to 139,968,762.90, 209,953,144.35 and 89,076,398.10

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Solution

The fourth proportional to 139,968,762.90, 209,953,144.35 and 89,076,398.10 is: 133,614,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,762.90 : 209,953,144.35 = 89,076,398.10 : x
  2. Step 2: Convert to fraction form
    139,968,762.90/209,953,144.35 = 89,076,398.10/x
  3. Step 3: Cross multiply
    139,968,762.90x = 209,953,144.35 × 89,076,398.10
  4. Step 4: Simplify right side
    139,968,762.90x = 18,701,869,868,467,364
  5. Step 5: Solve for x
    x = 18,701,869,868,467,364/139,968,762.90
  6. Step 6: Final answer
    x = 133,614,597.15

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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.