Home / 67,006,053.60-100,509,080.40-28,671,442.80

Finding the Fourth Proportional to 67,006,053.60, 100,509,080.40 and 28,671,442.80

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Solution

The fourth proportional to 67,006,053.60, 100,509,080.40 and 28,671,442.80 is: 43,007,164.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,006,053.60 : 100,509,080.40 = 28,671,442.80 : x
  2. Step 2: Convert to fraction form
    67,006,053.60/100,509,080.40 = 28,671,442.80/x
  3. Step 3: Cross multiply
    67,006,053.60x = 100,509,080.40 × 28,671,442.80
  4. Step 4: Simplify right side
    67,006,053.60x = 2,881,740,349,569,201.50
  5. Step 5: Solve for x
    x = 2,881,740,349,569,201.50/67,006,053.60
  6. Step 6: Final answer
    x = 43,007,164.20

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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.