Home / 342,144,410.40-513,216,615.60-112,058,013.60

Finding the Fourth Proportional to 342,144,410.40, 513,216,615.60 and 112,058,013.60

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Solution

The fourth proportional to 342,144,410.40, 513,216,615.60 and 112,058,013.60 is: 168,087,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,410.40 : 513,216,615.60 = 112,058,013.60 : x
  2. Step 2: Convert to fraction form
    342,144,410.40/513,216,615.60 = 112,058,013.60/x
  3. Step 3: Cross multiply
    342,144,410.40x = 513,216,615.60 × 112,058,013.60
  4. Step 4: Simplify right side
    342,144,410.40x = 57,510,034,490,650,768
  5. Step 5: Solve for x
    x = 57,510,034,490,650,768/342,144,410.40
  6. Step 6: Final answer
    x = 168,087,020.40

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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.