Home / 81,495,368.10-122,248,957.05-49,077,467.10

Finding the Fourth Proportional to 81,495,368.10, 122,248,957.05 and 49,077,467.10

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Solution

The fourth proportional to 81,495,368.10, 122,248,957.05 and 49,077,467.10 is: 73,619,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,495,368.10 : 122,248,957.05 = 49,077,467.10 : x
  2. Step 2: Convert to fraction form
    81,495,368.10/122,248,957.05 = 49,077,467.10/x
  3. Step 3: Cross multiply
    81,495,368.10x = 122,248,957.05 × 49,077,467.10
  4. Step 4: Simplify right side
    81,495,368.10x = 5,999,669,167,630,688
  5. Step 5: Solve for x
    x = 5,999,669,167,630,688/81,495,368.10
  6. Step 6: Final answer
    x = 73,619,756.65

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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.