Home / 298,973,848.60-448,460,772.90-137,730,712.60

Finding the Fourth Proportional to 298,973,848.60, 448,460,772.90 and 137,730,712.60

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Solution

The fourth proportional to 298,973,848.60, 448,460,772.90 and 137,730,712.60 is: 206,596,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,973,848.60 : 448,460,772.90 = 137,730,712.60 : x
  2. Step 2: Convert to fraction form
    298,973,848.60/448,460,772.90 = 137,730,712.60/x
  3. Step 3: Cross multiply
    298,973,848.60x = 448,460,772.90 × 137,730,712.60
  4. Step 4: Simplify right side
    298,973,848.60x = 61,766,821,824,663,760
  5. Step 5: Solve for x
    x = 61,766,821,824,663,760/298,973,848.60
  6. Step 6: Final answer
    x = 206,596,068.90

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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.