Home / 217,211,451.20-325,817,176.80-193,402,894.40

Finding the Fourth Proportional to 217,211,451.20, 325,817,176.80 and 193,402,894.40

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Solution

The fourth proportional to 217,211,451.20, 325,817,176.80 and 193,402,894.40 is: 290,104,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,211,451.20 : 325,817,176.80 = 193,402,894.40 : x
  2. Step 2: Convert to fraction form
    217,211,451.20/325,817,176.80 = 193,402,894.40/x
  3. Step 3: Cross multiply
    217,211,451.20x = 325,817,176.80 × 193,402,894.40
  4. Step 4: Simplify right side
    217,211,451.20x = 63,013,985,038,356,536
  5. Step 5: Solve for x
    x = 63,013,985,038,356,536/217,211,451.20
  6. Step 6: Final answer
    x = 290,104,341.60

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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.