Home / 122,157,228.60-183,235,842.90-73,689,809.40

Finding the Fourth Proportional to 122,157,228.60, 183,235,842.90 and 73,689,809.40

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Solution

The fourth proportional to 122,157,228.60, 183,235,842.90 and 73,689,809.40 is: 110,534,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,157,228.60 : 183,235,842.90 = 73,689,809.40 : x
  2. Step 2: Convert to fraction form
    122,157,228.60/183,235,842.90 = 73,689,809.40/x
  3. Step 3: Cross multiply
    122,157,228.60x = 183,235,842.90 × 73,689,809.40
  4. Step 4: Simplify right side
    122,157,228.60x = 13,502,614,338,549,344
  5. Step 5: Solve for x
    x = 13,502,614,338,549,344/122,157,228.60
  6. Step 6: Final answer
    x = 110,534,714.10

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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.