Home / 354,310,272.40-531,465,408.60-124,196,319.40

Finding the Fourth Proportional to 354,310,272.40, 531,465,408.60 and 124,196,319.40

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Solution

The fourth proportional to 354,310,272.40, 531,465,408.60 and 124,196,319.40 is: 186,294,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,310,272.40 : 531,465,408.60 = 124,196,319.40 : x
  2. Step 2: Convert to fraction form
    354,310,272.40/531,465,408.60 = 124,196,319.40/x
  3. Step 3: Cross multiply
    354,310,272.40x = 531,465,408.60 × 124,196,319.40
  4. Step 4: Simplify right side
    354,310,272.40x = 66,006,047,636,537,112
  5. Step 5: Solve for x
    x = 66,006,047,636,537,112/354,310,272.40
  6. Step 6: Final answer
    x = 186,294,479.10

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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.