Home / 122,525,559.90-183,788,339.85-121,808,114.55

Finding the Fourth Proportional to 122,525,559.90, 183,788,339.85 and 121,808,114.55

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Solution

The fourth proportional to 122,525,559.90, 183,788,339.85 and 121,808,114.55 is: 182,712,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,525,559.90 : 183,788,339.85 = 121,808,114.55 : x
  2. Step 2: Convert to fraction form
    122,525,559.90/183,788,339.85 = 121,808,114.55/x
  3. Step 3: Cross multiply
    122,525,559.90x = 183,788,339.85 × 121,808,114.55
  4. Step 4: Simplify right side
    122,525,559.90x = 22,386,911,153,403,128
  5. Step 5: Solve for x
    x = 22,386,911,153,403,128/122,525,559.90
  6. Step 6: Final answer
    x = 182,712,171.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.