Home / 84,638,547.16-115,238,613.04-84,369,808.60

Finding the Fourth Proportional to 84,638,547.16, 115,238,613.04 and 84,369,808.60

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Solution

The fourth proportional to 84,638,547.16, 115,238,613.04 and 84,369,808.60 is: 114,872,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638,547.16 : 115,238,613.04 = 84,369,808.60 : x
  2. Step 2: Convert to fraction form
    84,638,547.16/115,238,613.04 = 84,369,808.60/x
  3. Step 3: Cross multiply
    84,638,547.16x = 115,238,613.04 × 84,369,808.60
  4. Step 4: Simplify right side
    84,638,547.16x = 9,722,659,725,514,264
  5. Step 5: Solve for x
    x = 9,722,659,725,514,264/84,638,547.16
  6. Step 6: Final answer
    x = 114,872,715.23

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.