Home / 108,953,669.80-163,430,504.70-89,470,124.20

Finding the Fourth Proportional to 108,953,669.80, 163,430,504.70 and 89,470,124.20

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Solution

The fourth proportional to 108,953,669.80, 163,430,504.70 and 89,470,124.20 is: 134,205,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,953,669.80 : 163,430,504.70 = 89,470,124.20 : x
  2. Step 2: Convert to fraction form
    108,953,669.80/163,430,504.70 = 89,470,124.20/x
  3. Step 3: Cross multiply
    108,953,669.80x = 163,430,504.70 × 89,470,124.20
  4. Step 4: Simplify right side
    108,953,669.80x = 14,622,147,553,577,684
  5. Step 5: Solve for x
    x = 14,622,147,553,577,684/108,953,669.80
  6. Step 6: Final answer
    x = 134,205,186.30

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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.