Home / 82,980,461.48-124,490,243.10-28,393,641.32

Finding the Fourth Proportional to 82,980,461.48, 124,490,243.10 and 28,393,641.32

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Solution

The fourth proportional to 82,980,461.48, 124,490,243.10 and 28,393,641.32 is: 42,597,151.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,980,461.48 : 124,490,243.10 = 28,393,641.32 : x
  2. Step 2: Convert to fraction form
    82,980,461.48/124,490,243.10 = 28,393,641.32/x
  3. Step 3: Cross multiply
    82,980,461.48x = 124,490,243.10 × 28,393,641.32
  4. Step 4: Simplify right side
    82,980,461.48x = 3,534,731,310,421,005
  5. Step 5: Solve for x
    x = 3,534,731,310,421,005/82,980,461.48
  6. Step 6: Final answer
    x = 42,597,151.76

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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.