Home / 85,588,657.31-118,112,347.10-48,920,015.63

Finding the Fourth Proportional to 85,588,657.31, 118,112,347.10 and 48,920,015.63

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Solution

The fourth proportional to 85,588,657.31, 118,112,347.10 and 48,920,015.63 is: 67,509,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,588,657.31 : 118,112,347.10 = 48,920,015.63 : x
  2. Step 2: Convert to fraction form
    85,588,657.31/118,112,347.10 = 48,920,015.63/x
  3. Step 3: Cross multiply
    85,588,657.31x = 118,112,347.10 × 48,920,015.63
  4. Step 4: Simplify right side
    85,588,657.31x = 5,778,057,866,645,566
  5. Step 5: Solve for x
    x = 5,778,057,866,645,566/85,588,657.31
  6. Step 6: Final answer
    x = 67,509,621.58

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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.