Home / 124,013,756.80-186,020,635.20-97,110,409.60

Finding the Fourth Proportional to 124,013,756.80, 186,020,635.20 and 97,110,409.60

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Solution

The fourth proportional to 124,013,756.80, 186,020,635.20 and 97,110,409.60 is: 145,665,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,013,756.80 : 186,020,635.20 = 97,110,409.60 : x
  2. Step 2: Convert to fraction form
    124,013,756.80/186,020,635.20 = 97,110,409.60/x
  3. Step 3: Cross multiply
    124,013,756.80x = 186,020,635.20 × 97,110,409.60
  4. Step 4: Simplify right side
    124,013,756.80x = 18,064,540,078,324,176
  5. Step 5: Solve for x
    x = 18,064,540,078,324,176/124,013,756.80
  6. Step 6: Final answer
    x = 145,665,614.40

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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.