Home / 147,623,999.80-221,435,999.70-136,874,457.40

Finding the Fourth Proportional to 147,623,999.80, 221,435,999.70 and 136,874,457.40

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Solution

The fourth proportional to 147,623,999.80, 221,435,999.70 and 136,874,457.40 is: 205,311,686.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,623,999.80 : 221,435,999.70 = 136,874,457.40 : x
  2. Step 2: Convert to fraction form
    147,623,999.80/221,435,999.70 = 136,874,457.40/x
  3. Step 3: Cross multiply
    147,623,999.80x = 221,435,999.70 × 136,874,457.40
  4. Step 4: Simplify right side
    147,623,999.80x = 30,308,932,307,764,064
  5. Step 5: Solve for x
    x = 30,308,932,307,764,064/147,623,999.80
  6. Step 6: Final answer
    x = 205,311,686.10

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1.5x scale

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.