Home / 130,387,758.05-195,611,888.95-42,946,137.10

Finding the Fourth Proportional to 130,387,758.05, 195,611,888.95 and 42,946,137.10

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Solution

The fourth proportional to 130,387,758.05, 195,611,888.95 and 42,946,137.10 is: 64,429,169.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,387,758.05 : 195,611,888.95 = 42,946,137.10 : x
  2. Step 2: Convert to fraction form
    130,387,758.05/195,611,888.95 = 42,946,137.10/x
  3. Step 3: Cross multiply
    130,387,758.05x = 195,611,888.95 × 42,946,137.10
  4. Step 4: Simplify right side
    130,387,758.05x = 8,400,775,001,236,675
  5. Step 5: Solve for x
    x = 8,400,775,001,236,675/130,387,758.05
  6. Step 6: Final answer
    x = 64,429,169.78

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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.