Home / 318,938,416.20-478,029,710.70-134,705,536.20

Finding the Fourth Proportional to 318,938,416.20, 478,029,710.70 and 134,705,536.20

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Solution

The fourth proportional to 318,938,416.20, 478,029,710.70 and 134,705,536.20 is: 201,898,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,938,416.20 : 478,029,710.70 = 134,705,536.20 : x
  2. Step 2: Convert to fraction form
    318,938,416.20/478,029,710.70 = 134,705,536.20/x
  3. Step 3: Cross multiply
    318,938,416.20x = 478,029,710.70 × 134,705,536.20
  4. Step 4: Simplify right side
    318,938,416.20x = 64,393,248,499,374,368
  5. Step 5: Solve for x
    x = 64,393,248,499,374,368/318,938,416.20
  6. Step 6: Final answer
    x = 201,898,690.24

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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.