Home / 118,429,407.60-177,942,709.80-75,319,263.60

Finding the Fourth Proportional to 118,429,407.60, 177,942,709.80 and 75,319,263.60

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Solution

The fourth proportional to 118,429,407.60, 177,942,709.80 and 75,319,263.60 is: 113,168,799.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,429,407.60 : 177,942,709.80 = 75,319,263.60 : x
  2. Step 2: Convert to fraction form
    118,429,407.60/177,942,709.80 = 75,319,263.60/x
  3. Step 3: Cross multiply
    118,429,407.60x = 177,942,709.80 × 75,319,263.60
  4. Step 4: Simplify right side
    118,429,407.60x = 13,402,513,865,124,504
  5. Step 5: Solve for x
    x = 13,402,513,865,124,504/118,429,407.60
  6. Step 6: Final answer
    x = 113,168,799.34

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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.