Home / 105,225,061.60-157,613,643.60-87,309,157.60

Finding the Fourth Proportional to 105,225,061.60, 157,613,643.60 and 87,309,157.60

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Solution

The fourth proportional to 105,225,061.60, 157,613,643.60 and 87,309,157.60 is: 130,777,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,225,061.60 : 157,613,643.60 = 87,309,157.60 : x
  2. Step 2: Convert to fraction form
    105,225,061.60/157,613,643.60 = 87,309,157.60/x
  3. Step 3: Cross multiply
    105,225,061.60x = 157,613,643.60 × 87,309,157.60
  4. Step 4: Simplify right side
    105,225,061.60x = 13,761,114,448,982,630
  5. Step 5: Solve for x
    x = 13,761,114,448,982,630/105,225,061.60
  6. Step 6: Final answer
    x = 130,777,917.73

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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.