Home / 353,376,023.60-530,064,035.40-137,965,271.60

Finding the Fourth Proportional to 353,376,023.60, 530,064,035.40 and 137,965,271.60

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Solution

The fourth proportional to 353,376,023.60, 530,064,035.40 and 137,965,271.60 is: 206,947,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,376,023.60 : 530,064,035.40 = 137,965,271.60 : x
  2. Step 2: Convert to fraction form
    353,376,023.60/530,064,035.40 = 137,965,271.60/x
  3. Step 3: Cross multiply
    353,376,023.60x = 530,064,035.40 × 137,965,271.60
  4. Step 4: Simplify right side
    353,376,023.60x = 73,130,428,609,353,008
  5. Step 5: Solve for x
    x = 73,130,428,609,353,008/353,376,023.60
  6. Step 6: Final answer
    x = 206,947,907.40

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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.