Home / 208,501,652.80-312,528,530.40-79,059,246.40

Finding the Fourth Proportional to 208,501,652.80, 312,528,530.40 and 79,059,246.40

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Solution

The fourth proportional to 208,501,652.80, 312,528,530.40 and 79,059,246.40 is: 118,503,953.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,501,652.80 : 312,528,530.40 = 79,059,246.40 : x
  2. Step 2: Convert to fraction form
    208,501,652.80/312,528,530.40 = 79,059,246.40/x
  3. Step 3: Cross multiply
    208,501,652.80x = 312,528,530.40 × 79,059,246.40
  4. Step 4: Simplify right side
    208,501,652.80x = 24,708,270,091,923,492
  5. Step 5: Solve for x
    x = 24,708,270,091,923,492/208,501,652.80
  6. Step 6: Final answer
    x = 118,503,953.13

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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.