Home / 82,714,688.30-124,072,032.45-21,303,728.30

Finding the Fourth Proportional to 82,714,688.30, 124,072,032.45 and 21,303,728.30

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Solution

The fourth proportional to 82,714,688.30, 124,072,032.45 and 21,303,728.30 is: 31,955,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,714,688.30 : 124,072,032.45 = 21,303,728.30 : x
  2. Step 2: Convert to fraction form
    82,714,688.30/124,072,032.45 = 21,303,728.30/x
  3. Step 3: Cross multiply
    82,714,688.30x = 124,072,032.45 × 21,303,728.30
  4. Step 4: Simplify right side
    82,714,688.30x = 2,643,196,868,943,583.50
  5. Step 5: Solve for x
    x = 2,643,196,868,943,583.50/82,714,688.30
  6. Step 6: Final answer
    x = 31,955,592.45

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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.