Home / 143,746,248.51-215,533,013.57-56,203,469.31

Finding the Fourth Proportional to 143,746,248.51, 215,533,013.57 and 56,203,469.31

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Solution

The fourth proportional to 143,746,248.51, 215,533,013.57 and 56,203,469.31 is: 84,271,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,746,248.51 : 215,533,013.57 = 56,203,469.31 : x
  2. Step 2: Convert to fraction form
    143,746,248.51/215,533,013.57 = 56,203,469.31/x
  3. Step 3: Cross multiply
    143,746,248.51x = 215,533,013.57 × 56,203,469.31
  4. Step 4: Simplify right side
    143,746,248.51x = 12,113,703,113,613,818
  5. Step 5: Solve for x
    x = 12,113,703,113,613,818/143,746,248.51
  6. Step 6: Final answer
    x = 84,271,438.31

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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.