Home / 243,548,309.34-336,145,493.88-144,484,043.72

Finding the Fourth Proportional to 243,548,309.34, 336,145,493.88 and 144,484,043.72

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Solution

The fourth proportional to 243,548,309.34, 336,145,493.88 and 144,484,043.72 is: 199,416,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,548,309.34 : 336,145,493.88 = 144,484,043.72 : x
  2. Step 2: Convert to fraction form
    243,548,309.34/336,145,493.88 = 144,484,043.72/x
  3. Step 3: Cross multiply
    243,548,309.34x = 336,145,493.88 × 144,484,043.72
  4. Step 4: Simplify right side
    243,548,309.34x = 48,567,660,232,358,184
  5. Step 5: Solve for x
    x = 48,567,660,232,358,184/243,548,309.34
  6. Step 6: Final answer
    x = 199,416,946.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.