Home / 85,664,922.72-118,218,967.20-46,506,668.16

Finding the Fourth Proportional to 85,664,922.72, 118,218,967.20 and 46,506,668.16

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Solution

The fourth proportional to 85,664,922.72, 118,218,967.20 and 46,506,668.16 is: 64,179,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,664,922.72 : 118,218,967.20 = 46,506,668.16 : x
  2. Step 2: Convert to fraction form
    85,664,922.72/118,218,967.20 = 46,506,668.16/x
  3. Step 3: Cross multiply
    85,664,922.72x = 118,218,967.20 × 46,506,668.16
  4. Step 4: Simplify right side
    85,664,922.72x = 5,497,970,277,788,324
  5. Step 5: Solve for x
    x = 5,497,970,277,788,324/85,664,922.72
  6. Step 6: Final answer
    x = 64,179,947.91

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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.