Home / 156,843,159.35-216,442,365.44-86,277,253.93

Finding the Fourth Proportional to 156,843,159.35, 216,442,365.44 and 86,277,253.93

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Solution

The fourth proportional to 156,843,159.35, 216,442,365.44 and 86,277,253.93 is: 119,061,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,843,159.35 : 216,442,365.44 = 86,277,253.93 : x
  2. Step 2: Convert to fraction form
    156,843,159.35/216,442,365.44 = 86,277,253.93/x
  3. Step 3: Cross multiply
    156,843,159.35x = 216,442,365.44 × 86,277,253.93
  4. Step 4: Simplify right side
    156,843,159.35x = 18,674,052,923,845,352
  5. Step 5: Solve for x
    x = 18,674,052,923,845,352/156,843,159.35
  6. Step 6: Final answer
    x = 119,061,953.36

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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.