Home / 85,588,657.06-118,112,346.74-48,920,015.38

Finding the Fourth Proportional to 85,588,657.06, 118,112,346.74 and 48,920,015.38

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Solution

The fourth proportional to 85,588,657.06, 118,112,346.74 and 48,920,015.38 is: 67,509,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,588,657.06 : 118,112,346.74 = 48,920,015.38 : x
  2. Step 2: Convert to fraction form
    85,588,657.06/118,112,346.74 = 48,920,015.38/x
  3. Step 3: Cross multiply
    85,588,657.06x = 118,112,346.74 × 48,920,015.38
  4. Step 4: Simplify right side
    85,588,657.06x = 5,778,057,819,088,693
  5. Step 5: Solve for x
    x = 5,778,057,819,088,693/85,588,657.06
  6. Step 6: Final answer
    x = 67,509,621.22

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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.