Home / 282,875,011.08-390,346,412.40-159,091,773.36

Finding the Fourth Proportional to 282,875,011.08, 390,346,412.40 and 159,091,773.36

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Solution

The fourth proportional to 282,875,011.08, 390,346,412.40 and 159,091,773.36 is: 219,534,778.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,875,011.08 : 390,346,412.40 = 159,091,773.36 : x
  2. Step 2: Convert to fraction form
    282,875,011.08/390,346,412.40 = 159,091,773.36/x
  3. Step 3: Cross multiply
    282,875,011.08x = 390,346,412.40 × 159,091,773.36
  4. Step 4: Simplify right side
    282,875,011.08x = 62,100,902,973,429,896
  5. Step 5: Solve for x
    x = 62,100,902,973,429,896/282,875,011.08
  6. Step 6: Final answer
    x = 219,534,778.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.