Home / 120,003,409.60-165,596,107.44-70,445,795.20

Finding the Fourth Proportional to 120,003,409.60, 165,596,107.44 and 70,445,795.20

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Solution

The fourth proportional to 120,003,409.60, 165,596,107.44 and 70,445,795.20 is: 97,210,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,003,409.60 : 165,596,107.44 = 70,445,795.20 : x
  2. Step 2: Convert to fraction form
    120,003,409.60/165,596,107.44 = 70,445,795.20/x
  3. Step 3: Cross multiply
    120,003,409.60x = 165,596,107.44 × 70,445,795.20
  4. Step 4: Simplify right side
    120,003,409.60x = 11,665,549,470,635,436
  5. Step 5: Solve for x
    x = 11,665,549,470,635,436/120,003,409.60
  6. Step 6: Final answer
    x = 97,210,150.19

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1.5x scale

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.