Home / 129,038,541.40-193,557,812.10-106,363,725.40

Finding the Fourth Proportional to 129,038,541.40, 193,557,812.10 and 106,363,725.40

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Solution

The fourth proportional to 129,038,541.40, 193,557,812.10 and 106,363,725.40 is: 159,545,588.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,038,541.40 : 193,557,812.10 = 106,363,725.40 : x
  2. Step 2: Convert to fraction form
    129,038,541.40/193,557,812.10 = 106,363,725.40/x
  3. Step 3: Cross multiply
    129,038,541.40x = 193,557,812.10 × 106,363,725.40
  4. Step 4: Simplify right side
    129,038,541.40x = 20,587,529,975,229,196
  5. Step 5: Solve for x
    x = 20,587,529,975,229,196/129,038,541.40
  6. Step 6: Final answer
    x = 159,545,588.10

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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.