Home / 93,078,048.44-128,443,561.74-53,357,103.36

Finding the Fourth Proportional to 93,078,048.44, 128,443,561.74 and 53,357,103.36

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Solution

The fourth proportional to 93,078,048.44, 128,443,561.74 and 53,357,103.36 is: 73,630,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,078,048.44 : 128,443,561.74 = 53,357,103.36 : x
  2. Step 2: Convert to fraction form
    93,078,048.44/128,443,561.74 = 53,357,103.36/x
  3. Step 3: Cross multiply
    93,078,048.44x = 128,443,561.74 × 53,357,103.36
  4. Step 4: Simplify right side
    93,078,048.44x = 6,853,376,399,687,721
  5. Step 5: Solve for x
    x = 6,853,376,399,687,721/93,078,048.44
  6. Step 6: Final answer
    x = 73,630,426.45

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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.