Home / 143,574,007.10-215,361,010.65-52,685,786.30

Finding the Fourth Proportional to 143,574,007.10, 215,361,010.65 and 52,685,786.30

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Solution

The fourth proportional to 143,574,007.10, 215,361,010.65 and 52,685,786.30 is: 79,028,679.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,574,007.10 : 215,361,010.65 = 52,685,786.30 : x
  2. Step 2: Convert to fraction form
    143,574,007.10/215,361,010.65 = 52,685,786.30/x
  3. Step 3: Cross multiply
    143,574,007.10x = 215,361,010.65 × 52,685,786.30
  4. Step 4: Simplify right side
    143,574,007.10x = 11,346,464,184,457,924
  5. Step 5: Solve for x
    x = 11,346,464,184,457,924/143,574,007.10
  6. Step 6: Final answer
    x = 79,028,679.45

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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.