Home / 152,361,942.83-210,272,448.23-86,294,194.16

Finding the Fourth Proportional to 152,361,942.83, 210,272,448.23 and 86,294,194.16

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Solution

The fourth proportional to 152,361,942.83, 210,272,448.23 and 86,294,194.16 is: 119,093,332.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,361,942.83 : 210,272,448.23 = 86,294,194.16 : x
  2. Step 2: Convert to fraction form
    152,361,942.83/210,272,448.23 = 86,294,194.16/x
  3. Step 3: Cross multiply
    152,361,942.83x = 210,272,448.23 × 86,294,194.16
  4. Step 4: Simplify right side
    152,361,942.83x = 18,145,291,472,575,336
  5. Step 5: Solve for x
    x = 18,145,291,472,575,336/152,361,942.83
  6. Step 6: Final answer
    x = 119,093,332.21

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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.