Home / 268,243,606.45-402,410,214.02-83,974,411.32

Finding the Fourth Proportional to 268,243,606.45, 402,410,214.02 and 83,974,411.32

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Solution

The fourth proportional to 268,243,606.45, 402,410,214.02 and 83,974,411.32 is: 125,975,643.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,243,606.45 : 402,410,214.02 = 83,974,411.32 : x
  2. Step 2: Convert to fraction form
    268,243,606.45/402,410,214.02 = 83,974,411.32/x
  3. Step 3: Cross multiply
    268,243,606.45x = 402,410,214.02 × 83,974,411.32
  4. Step 4: Simplify right side
    268,243,606.45x = 33,792,160,831,484,708
  5. Step 5: Solve for x
    x = 33,792,160,831,484,708/268,243,606.45
  6. Step 6: Final answer
    x = 125,975,643.11

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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.