Home / 148,584,341.10-221,875,975.64-121,344,709.34

Finding the Fourth Proportional to 148,584,341.10, 221,875,975.64 and 121,344,709.34

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Solution

The fourth proportional to 148,584,341.10, 221,875,975.64 and 121,344,709.34 is: 181,199,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,584,341.10 : 221,875,975.64 = 121,344,709.34 : x
  2. Step 2: Convert to fraction form
    148,584,341.10/221,875,975.64 = 121,344,709.34/x
  3. Step 3: Cross multiply
    148,584,341.10x = 221,875,975.64 × 121,344,709.34
  4. Step 4: Simplify right side
    148,584,341.10x = 26,923,475,773,564,720
  5. Step 5: Solve for x
    x = 26,923,475,773,564,720/148,584,341.10
  6. Step 6: Final answer
    x = 181,199,954.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.