Home / 147,053,346.40-220,580,019.60-70,525,842.40

Finding the Fourth Proportional to 147,053,346.40, 220,580,019.60 and 70,525,842.40

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Solution

The fourth proportional to 147,053,346.40, 220,580,019.60 and 70,525,842.40 is: 105,788,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,053,346.40 : 220,580,019.60 = 70,525,842.40 : x
  2. Step 2: Convert to fraction form
    147,053,346.40/220,580,019.60 = 70,525,842.40/x
  3. Step 3: Cross multiply
    147,053,346.40x = 220,580,019.60 × 70,525,842.40
  4. Step 4: Simplify right side
    147,053,346.40x = 15,556,591,698,898,512
  5. Step 5: Solve for x
    x = 15,556,591,698,898,512/147,053,346.40
  6. Step 6: Final answer
    x = 105,788,763.60

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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.