Home / 148,889,661.40-223,334,492.10-72,362,157.40

Finding the Fourth Proportional to 148,889,661.40, 223,334,492.10 and 72,362,157.40

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Solution

The fourth proportional to 148,889,661.40, 223,334,492.10 and 72,362,157.40 is: 108,543,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,889,661.40 : 223,334,492.10 = 72,362,157.40 : x
  2. Step 2: Convert to fraction form
    148,889,661.40/223,334,492.10 = 72,362,157.40/x
  3. Step 3: Cross multiply
    148,889,661.40x = 223,334,492.10 × 72,362,157.40
  4. Step 4: Simplify right side
    148,889,661.40x = 16,160,965,670,189,258
  5. Step 5: Solve for x
    x = 16,160,965,670,189,258/148,889,661.40
  6. Step 6: Final answer
    x = 108,543,236.10

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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.