Home / 128,733,505.60-193,221,606.88-46,931,450.08

Finding the Fourth Proportional to 128,733,505.60, 193,221,606.88 and 46,931,450.08

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Solution

The fourth proportional to 128,733,505.60, 193,221,606.88 and 46,931,450.08 is: 70,441,414.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,733,505.60 : 193,221,606.88 = 46,931,450.08 : x
  2. Step 2: Convert to fraction form
    128,733,505.60/193,221,606.88 = 46,931,450.08/x
  3. Step 3: Cross multiply
    128,733,505.60x = 193,221,606.88 × 46,931,450.08
  4. Step 4: Simplify right side
    128,733,505.60x = 9,068,170,197,666,104
  5. Step 5: Solve for x
    x = 9,068,170,197,666,104/128,733,505.60
  6. Step 6: Final answer
    x = 70,441,414.26

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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.