Home / 130,387,756.68-195,611,886.89-42,946,135.72

Finding the Fourth Proportional to 130,387,756.68, 195,611,886.89 and 42,946,135.72

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Solution

The fourth proportional to 130,387,756.68, 195,611,886.89 and 42,946,135.72 is: 64,429,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,387,756.68 : 195,611,886.89 = 42,946,135.72 : x
  2. Step 2: Convert to fraction form
    130,387,756.68/195,611,886.89 = 42,946,135.72/x
  3. Step 3: Cross multiply
    130,387,756.68x = 195,611,886.89 × 42,946,135.72
  4. Step 4: Simplify right side
    130,387,756.68x = 8,400,774,642,853,012
  5. Step 5: Solve for x
    x = 8,400,774,642,853,012/130,387,756.68
  6. Step 6: Final answer
    x = 64,429,167.71

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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.