Home / 93,302,341.20-128,782,843.52-54,156,729.36

Finding the Fourth Proportional to 93,302,341.20, 128,782,843.52 and 54,156,729.36

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Solution

The fourth proportional to 93,302,341.20, 128,782,843.52 and 54,156,729.36 is: 74,751,153.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,302,341.20 : 128,782,843.52 = 54,156,729.36 : x
  2. Step 2: Convert to fraction form
    93,302,341.20/128,782,843.52 = 54,156,729.36/x
  3. Step 3: Cross multiply
    93,302,341.20x = 128,782,843.52 × 54,156,729.36
  4. Step 4: Simplify right side
    93,302,341.20x = 6,974,457,602,723,869
  5. Step 5: Solve for x
    x = 6,974,457,602,723,869/93,302,341.20
  6. Step 6: Final answer
    x = 74,751,153.22

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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.