Home / 108,953,668.80-163,430,503.20-89,470,123.20

Finding the Fourth Proportional to 108,953,668.80, 163,430,503.20 and 89,470,123.20

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Solution

The fourth proportional to 108,953,668.80, 163,430,503.20 and 89,470,123.20 is: 134,205,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,953,668.80 : 163,430,503.20 = 89,470,123.20 : x
  2. Step 2: Convert to fraction form
    108,953,668.80/163,430,503.20 = 89,470,123.20/x
  3. Step 3: Cross multiply
    108,953,668.80x = 163,430,503.20 × 89,470,123.20
  4. Step 4: Simplify right side
    108,953,668.80x = 14,622,147,255,941,994
  5. Step 5: Solve for x
    x = 14,622,147,255,941,994/108,953,668.80
  6. Step 6: Final answer
    x = 134,205,184.80

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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.