Home / 42,345,152.64-63,518,112-12,053,001.60

Finding the Fourth Proportional to 42,345,152.64, 63,518,112 and 12,053,001.60

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Solution

The fourth proportional to 42,345,152.64, 63,518,112 and 12,053,001.60 is: 18,079,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,345,152.64 : 63,518,112 = 12,053,001.60 : x
  2. Step 2: Convert to fraction form
    42,345,152.64/63,518,112 = 12,053,001.60/x
  3. Step 3: Cross multiply
    42,345,152.64x = 63,518,112 × 12,053,001.60
  4. Step 4: Simplify right side
    42,345,152.64x = 765,583,905,564,979.12
  5. Step 5: Solve for x
    x = 765,583,905,564,979.12/42,345,152.64
  6. Step 6: Final answer
    x = 18,079,611.43

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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.