Home / 299,232,010.40-448,736,041.20-105,068,400.80

Finding the Fourth Proportional to 299,232,010.40, 448,736,041.20 and 105,068,400.80

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Solution

The fourth proportional to 299,232,010.40, 448,736,041.20 and 105,068,400.80 is: 157,563,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,232,010.40 : 448,736,041.20 = 105,068,400.80 : x
  2. Step 2: Convert to fraction form
    299,232,010.40/448,736,041.20 = 105,068,400.80/x
  3. Step 3: Cross multiply
    299,232,010.40x = 448,736,041.20 × 105,068,400.80
  4. Step 4: Simplify right side
    299,232,010.40x = 47,147,978,230,206,912
  5. Step 5: Solve for x
    x = 47,147,978,230,206,912/299,232,010.40
  6. Step 6: Final answer
    x = 157,563,283.98

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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.