Home / 118,663,671.21-178,046,657.90-64,065,416.31

Finding the Fourth Proportional to 118,663,671.21, 178,046,657.90 and 64,065,416.31

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Solution

The fourth proportional to 118,663,671.21, 178,046,657.90 and 64,065,416.31 is: 96,125,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,663,671.21 : 178,046,657.90 = 64,065,416.31 : x
  2. Step 2: Convert to fraction form
    118,663,671.21/178,046,657.90 = 64,065,416.31/x
  3. Step 3: Cross multiply
    118,663,671.21x = 178,046,657.90 × 64,065,416.31
  4. Step 4: Simplify right side
    118,663,671.21x = 11,406,633,260,967,652
  5. Step 5: Solve for x
    x = 11,406,633,260,967,652/118,663,671.21
  6. Step 6: Final answer
    x = 96,125,740.46

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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.