Home / 86,037,405.90-118,731,637.31-46,879,182.65

Finding the Fourth Proportional to 86,037,405.90, 118,731,637.31 and 46,879,182.65

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Solution

The fourth proportional to 86,037,405.90, 118,731,637.31 and 46,879,182.65 is: 64,693,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,037,405.90 : 118,731,637.31 = 46,879,182.65 : x
  2. Step 2: Convert to fraction form
    86,037,405.90/118,731,637.31 = 46,879,182.65/x
  3. Step 3: Cross multiply
    86,037,405.90x = 118,731,637.31 × 46,879,182.65
  4. Step 4: Simplify right side
    86,037,405.90x = 5,566,042,110,960,991
  5. Step 5: Solve for x
    x = 5,566,042,110,960,991/86,037,405.90
  6. Step 6: Final answer
    x = 64,693,281.40

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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.