Home / 171,630,547.60-257,445,821.40-137,618,323.60

Finding the Fourth Proportional to 171,630,547.60, 257,445,821.40 and 137,618,323.60

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Solution

The fourth proportional to 171,630,547.60, 257,445,821.40 and 137,618,323.60 is: 206,427,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,630,547.60 : 257,445,821.40 = 137,618,323.60 : x
  2. Step 2: Convert to fraction form
    171,630,547.60/257,445,821.40 = 137,618,323.60/x
  3. Step 3: Cross multiply
    171,630,547.60x = 257,445,821.40 × 137,618,323.60
  4. Step 4: Simplify right side
    171,630,547.60x = 35,429,262,358,893,004
  5. Step 5: Solve for x
    x = 35,429,262,358,893,004/171,630,547.60
  6. Step 6: Final answer
    x = 206,427,485.40

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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.