Home / 93,470,031.35-140,079,721.79-72,745,494.24

Finding the Fourth Proportional to 93,470,031.35, 140,079,721.79 and 72,745,494.24

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Solution

The fourth proportional to 93,470,031.35, 140,079,721.79 and 72,745,494.24 is: 109,020,703.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,470,031.35 : 140,079,721.79 = 72,745,494.24 : x
  2. Step 2: Convert to fraction form
    93,470,031.35/140,079,721.79 = 72,745,494.24/x
  3. Step 3: Cross multiply
    93,470,031.35x = 140,079,721.79 × 72,745,494.24
  4. Step 4: Simplify right side
    93,470,031.35x = 10,190,168,594,913,580
  5. Step 5: Solve for x
    x = 10,190,168,594,913,580/93,470,031.35
  6. Step 6: Final answer
    x = 109,020,703.72

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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.