Home / 156,233,751.96-215,602,188.30-86,617,340.76

Finding the Fourth Proportional to 156,233,751.96, 215,602,188.30 and 86,617,340.76

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Solution

The fourth proportional to 156,233,751.96, 215,602,188.30 and 86,617,340.76 is: 119,531,714.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,233,751.96 : 215,602,188.30 = 86,617,340.76 : x
  2. Step 2: Convert to fraction form
    156,233,751.96/215,602,188.30 = 86,617,340.76/x
  3. Step 3: Cross multiply
    156,233,751.96x = 215,602,188.30 × 86,617,340.76
  4. Step 4: Simplify right side
    156,233,751.96x = 18,674,888,212,582,788
  5. Step 5: Solve for x
    x = 18,674,888,212,582,788/156,233,751.96
  6. Step 6: Final answer
    x = 119,531,714.36

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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.