Home / 147,053,361.40-220,580,042.10-70,525,857.40

Finding the Fourth Proportional to 147,053,361.40, 220,580,042.10 and 70,525,857.40

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Solution

The fourth proportional to 147,053,361.40, 220,580,042.10 and 70,525,857.40 is: 105,788,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053,361.40 : 220,580,042.10 = 70,525,857.40 : x
  2. Step 2: Convert to fraction form
    147,053,361.40/220,580,042.10 = 70,525,857.40/x
  3. Step 3: Cross multiply
    147,053,361.40x = 220,580,042.10 × 70,525,857.40
  4. Step 4: Simplify right side
    147,053,361.40x = 15,556,596,594,430,598
  5. Step 5: Solve for x
    x = 15,556,596,594,430,598/147,053,361.40
  6. Step 6: Final answer
    x = 105,788,786.10

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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.