Home / 202,738,312.72-279,784,772.40-114,630,417.76

Finding the Fourth Proportional to 202,738,312.72, 279,784,772.40 and 114,630,417.76

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Solution

The fourth proportional to 202,738,312.72, 279,784,772.40 and 114,630,417.76 is: 158,193,312.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,738,312.72 : 279,784,772.40 = 114,630,417.76 : x
  2. Step 2: Convert to fraction form
    202,738,312.72/279,784,772.40 = 114,630,417.76/x
  3. Step 3: Cross multiply
    202,738,312.72x = 279,784,772.40 × 114,630,417.76
  4. Step 4: Simplify right side
    202,738,312.72x = 32,071,845,343,098,516
  5. Step 5: Solve for x
    x = 32,071,845,343,098,516/202,738,312.72
  6. Step 6: Final answer
    x = 158,193,312.91

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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.