Home / 86,193,514.32-118,949,561.91-47,037,813.28

Finding the Fourth Proportional to 86,193,514.32, 118,949,561.91 and 47,037,813.28

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Solution

The fourth proportional to 86,193,514.32, 118,949,561.91 and 47,037,813.28 is: 64,913,553.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,193,514.32 : 118,949,561.91 = 47,037,813.28 : x
  2. Step 2: Convert to fraction form
    86,193,514.32/118,949,561.91 = 47,037,813.28/x
  3. Step 3: Cross multiply
    86,193,514.32x = 118,949,561.91 × 47,037,813.28
  4. Step 4: Simplify right side
    86,193,514.32x = 5,595,127,282,742,786
  5. Step 5: Solve for x
    x = 5,595,127,282,742,786/86,193,514.32
  6. Step 6: Final answer
    x = 64,913,553.26

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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.