Home / 215,675,623.40-323,513,435.10-134,046,285.80

Finding the Fourth Proportional to 215,675,623.40, 323,513,435.10 and 134,046,285.80

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Solution

The fourth proportional to 215,675,623.40, 323,513,435.10 and 134,046,285.80 is: 201,069,428.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,675,623.40 : 323,513,435.10 = 134,046,285.80 : x
  2. Step 2: Convert to fraction form
    215,675,623.40/323,513,435.10 = 134,046,285.80/x
  3. Step 3: Cross multiply
    215,675,623.40x = 323,513,435.10 × 134,046,285.80
  4. Step 4: Simplify right side
    215,675,623.40x = 43,365,774,381,554,352
  5. Step 5: Solve for x
    x = 43,365,774,381,554,352/215,675,623.40
  6. Step 6: Final answer
    x = 201,069,428.70

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1.5x scale

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.