Home / 199,746,008.40-299,619,012.60-56,138,840.40

Finding the Fourth Proportional to 199,746,008.40, 299,619,012.60 and 56,138,840.40

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Solution

The fourth proportional to 199,746,008.40, 299,619,012.60 and 56,138,840.40 is: 84,208,260.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,746,008.40 : 299,619,012.60 = 56,138,840.40 : x
  2. Step 2: Convert to fraction form
    199,746,008.40/299,619,012.60 = 56,138,840.40/x
  3. Step 3: Cross multiply
    199,746,008.40x = 299,619,012.60 × 56,138,840.40
  4. Step 4: Simplify right side
    199,746,008.40x = 16,820,263,929,156,990
  5. Step 5: Solve for x
    x = 16,820,263,929,156,990/199,746,008.40
  6. Step 6: Final answer
    x = 84,208,260.60

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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.