Home / 74,935,970.21-103,354,382.67-64,499,465.42

Finding the Fourth Proportional to 74,935,970.21, 103,354,382.67 and 64,499,465.42

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Solution

The fourth proportional to 74,935,970.21, 103,354,382.67 and 64,499,465.42 is: 88,959,980.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,935,970.21 : 103,354,382.67 = 64,499,465.42 : x
  2. Step 2: Convert to fraction form
    74,935,970.21/103,354,382.67 = 64,499,465.42/x
  3. Step 3: Cross multiply
    74,935,970.21x = 103,354,382.67 × 64,499,465.42
  4. Step 4: Simplify right side
    74,935,970.21x = 6,666,302,430,512,340
  5. Step 5: Solve for x
    x = 6,666,302,430,512,340/74,935,970.21
  6. Step 6: Final answer
    x = 88,959,980.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.