Home / 100,968,063.40-139,346,998.50-58,590,957.88

Finding the Fourth Proportional to 100,968,063.40, 139,346,998.50 and 58,590,957.88

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Solution

The fourth proportional to 100,968,063.40, 139,346,998.50 and 58,590,957.88 is: 80,861,946.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,968,063.40 : 139,346,998.50 = 58,590,957.88 : x
  2. Step 2: Convert to fraction form
    100,968,063.40/139,346,998.50 = 58,590,957.88/x
  3. Step 3: Cross multiply
    100,968,063.40x = 139,346,998.50 × 58,590,957.88
  4. Step 4: Simplify right side
    100,968,063.40x = 8,164,474,119,817,924
  5. Step 5: Solve for x
    x = 8,164,474,119,817,924/100,968,063.40
  6. Step 6: Final answer
    x = 80,861,946.29

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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.