Home / 147,386,039.40-221,079,059.10-133,037,132.40

Finding the Fourth Proportional to 147,386,039.40, 221,079,059.10 and 133,037,132.40

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Solution

The fourth proportional to 147,386,039.40, 221,079,059.10 and 133,037,132.40 is: 199,555,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,386,039.40 : 221,079,059.10 = 133,037,132.40 : x
  2. Step 2: Convert to fraction form
    147,386,039.40/221,079,059.10 = 133,037,132.40/x
  3. Step 3: Cross multiply
    147,386,039.40x = 221,079,059.10 × 133,037,132.40
  4. Step 4: Simplify right side
    147,386,039.40x = 29,411,724,056,354,124
  5. Step 5: Solve for x
    x = 29,411,724,056,354,124/147,386,039.40
  6. Step 6: Final answer
    x = 199,555,698.60

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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.