Home / 74,896,820.80-112,345,231.20-67,730,459.20

Finding the Fourth Proportional to 74,896,820.80, 112,345,231.20 and 67,730,459.20

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Solution

The fourth proportional to 74,896,820.80, 112,345,231.20 and 67,730,459.20 is: 101,595,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,896,820.80 : 112,345,231.20 = 67,730,459.20 : x
  2. Step 2: Convert to fraction form
    74,896,820.80/112,345,231.20 = 67,730,459.20/x
  3. Step 3: Cross multiply
    74,896,820.80x = 112,345,231.20 × 67,730,459.20
  4. Step 4: Simplify right side
    74,896,820.80x = 7,609,194,098,106,168
  5. Step 5: Solve for x
    x = 7,609,194,098,106,168/74,896,820.80
  6. Step 6: Final answer
    x = 101,595,688.80

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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.