Home / 139,980,219,228.17-209,946,646,316.61-39,227,898,521.36

Finding the Fourth Proportional to 139,980,219,228.17, 209,946,646,316.61 and 39,227,898,521.36

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Solution

The fourth proportional to 139,980,219,228.17, 209,946,646,316.61 and 39,227,898,521.36 is: 58,835,211,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,980,219,228.17 : 209,946,646,316.61 = 39,227,898,521.36 : x
  2. Step 2: Convert to fraction form
    139,980,219,228.17/209,946,646,316.61 = 39,227,898,521.36/x
  3. Step 3: Cross multiply
    139,980,219,228.17x = 209,946,646,316.61 × 39,227,898,521.36
  4. Step 4: Simplify right side
    139,980,219,228.17x = 8,235,765,736,608,465,158,144
  5. Step 5: Solve for x
    x = 8,235,765,736,608,465,158,144/139,980,219,228.17
  6. Step 6: Final answer
    x = 58,835,211,017.81

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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.