Home / 74,892,829.80-112,339,244.70-42,532,228.20

Finding the Fourth Proportional to 74,892,829.80, 112,339,244.70 and 42,532,228.20

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Solution

The fourth proportional to 74,892,829.80, 112,339,244.70 and 42,532,228.20 is: 63,798,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,892,829.80 : 112,339,244.70 = 42,532,228.20 : x
  2. Step 2: Convert to fraction form
    74,892,829.80/112,339,244.70 = 42,532,228.20/x
  3. Step 3: Cross multiply
    74,892,829.80x = 112,339,244.70 × 42,532,228.20
  4. Step 4: Simplify right side
    74,892,829.80x = 4,778,038,391,396,041
  5. Step 5: Solve for x
    x = 4,778,038,391,396,041/74,892,829.80
  6. Step 6: Final answer
    x = 63,798,342.30

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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.