Home / 317,952,148.80-476,943,969.60-164,897,140.80

Finding the Fourth Proportional to 317,952,148.80, 476,943,969.60 and 164,897,140.80

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Solution

The fourth proportional to 317,952,148.80, 476,943,969.60 and 164,897,140.80 is: 247,353,877.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,952,148.80 : 476,943,969.60 = 164,897,140.80 : x
  2. Step 2: Convert to fraction form
    317,952,148.80/476,943,969.60 = 164,897,140.80/x
  3. Step 3: Cross multiply
    317,952,148.80x = 476,943,969.60 × 164,897,140.80
  4. Step 4: Simplify right side
    317,952,148.80x = 78,646,696,908,842,128
  5. Step 5: Solve for x
    x = 78,646,696,908,842,128/317,952,148.80
  6. Step 6: Final answer
    x = 247,353,877.64

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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.