Home / 317,952,156.80-476,943,981.60-164,897,148.80

Finding the Fourth Proportional to 317,952,156.80, 476,943,981.60 and 164,897,148.80

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Solution

The fourth proportional to 317,952,156.80, 476,943,981.60 and 164,897,148.80 is: 247,353,889.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,952,156.80 : 476,943,981.60 = 164,897,148.80 : x
  2. Step 2: Convert to fraction form
    317,952,156.80/476,943,981.60 = 164,897,148.80/x
  3. Step 3: Cross multiply
    317,952,156.80x = 476,943,981.60 × 164,897,148.80
  4. Step 4: Simplify right side
    317,952,156.80x = 78,646,702,703,159,664
  5. Step 5: Solve for x
    x = 78,646,702,703,159,664/317,952,156.80
  6. Step 6: Final answer
    x = 247,353,889.64

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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.