Home / 142,946,282.90-213,878,332.61-84,685,230.45

Finding the Fourth Proportional to 142,946,282.90, 213,878,332.61 and 84,685,230.45

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Solution

The fourth proportional to 142,946,282.90, 213,878,332.61 and 84,685,230.45 is: 126,707,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,946,282.90 : 213,878,332.61 = 84,685,230.45 : x
  2. Step 2: Convert to fraction form
    142,946,282.90/213,878,332.61 = 84,685,230.45/x
  3. Step 3: Cross multiply
    142,946,282.90x = 213,878,332.61 × 84,685,230.45
  4. Step 4: Simplify right side
    142,946,282.90x = 18,112,335,885,232,896
  5. Step 5: Solve for x
    x = 18,112,335,885,232,896/142,946,282.90
  6. Step 6: Final answer
    x = 126,707,288.34

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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.