Home / 140,466,117-210,279,384.48-84,965,991.36

Finding the Fourth Proportional to 140,466,117, 210,279,384.48 and 84,965,991.36

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Solution

The fourth proportional to 140,466,117, 210,279,384.48 and 84,965,991.36 is: 127,195,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,466,117 : 210,279,384.48 = 84,965,991.36 : x
  2. Step 2: Convert to fraction form
    140,466,117/210,279,384.48 = 84,965,991.36/x
  3. Step 3: Cross multiply
    140,466,117x = 210,279,384.48 × 84,965,991.36
  4. Step 4: Simplify right side
    140,466,117x = 17,866,596,364,913,798
  5. Step 5: Solve for x
    x = 17,866,596,364,913,798/140,466,117
  6. Step 6: Final answer
    x = 127,195,061.32

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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.