Home / 118,429,411.60-177,942,715.80-75,319,267.60

Finding the Fourth Proportional to 118,429,411.60, 177,942,715.80 and 75,319,267.60

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Solution

The fourth proportional to 118,429,411.60, 177,942,715.80 and 75,319,267.60 is: 113,168,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,429,411.60 : 177,942,715.80 = 75,319,267.60 : x
  2. Step 2: Convert to fraction form
    118,429,411.60/177,942,715.80 = 75,319,267.60/x
  3. Step 3: Cross multiply
    118,429,411.60x = 177,942,715.80 × 75,319,267.60
  4. Step 4: Simplify right side
    118,429,411.60x = 13,402,515,028,810,948
  5. Step 5: Solve for x
    x = 13,402,515,028,810,948/118,429,411.60
  6. Step 6: Final answer
    x = 113,168,805.35

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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.