Home / 43,164,029.60-64,746,044.40-42,912,087.20

Finding the Fourth Proportional to 43,164,029.60, 64,746,044.40 and 42,912,087.20

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Solution

The fourth proportional to 43,164,029.60, 64,746,044.40 and 42,912,087.20 is: 64,368,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,164,029.60 : 64,746,044.40 = 42,912,087.20 : x
  2. Step 2: Convert to fraction form
    43,164,029.60/64,746,044.40 = 42,912,087.20/x
  3. Step 3: Cross multiply
    43,164,029.60x = 64,746,044.40 × 42,912,087.20
  4. Step 4: Simplify right side
    43,164,029.60x = 2,778,387,903,147,872
  5. Step 5: Solve for x
    x = 2,778,387,903,147,872/43,164,029.60
  6. Step 6: Final answer
    x = 64,368,130.80

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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.