Home / 156,818,071.86-216,409,050.16-86,259,050.36

Finding the Fourth Proportional to 156,818,071.86, 216,409,050.16 and 86,259,050.36

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Solution

The fourth proportional to 156,818,071.86, 216,409,050.16 and 86,259,050.36 is: 119,037,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,818,071.86 : 216,409,050.16 = 86,259,050.36 : x
  2. Step 2: Convert to fraction form
    156,818,071.86/216,409,050.16 = 86,259,050.36/x
  3. Step 3: Cross multiply
    156,818,071.86x = 216,409,050.16 × 86,259,050.36
  4. Step 4: Simplify right side
    156,818,071.86x = 18,667,239,157,085,600
  5. Step 5: Solve for x
    x = 18,667,239,157,085,600/156,818,071.86
  6. Step 6: Final answer
    x = 119,037,550.55

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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.