Home / 53,259,689.49-79,894,088.07-18,713,088.46

Finding the Fourth Proportional to 53,259,689.49, 79,894,088.07 and 18,713,088.46

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Solution

The fourth proportional to 53,259,689.49, 79,894,088.07 and 18,713,088.46 is: 28,071,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,259,689.49 : 79,894,088.07 = 18,713,088.46 : x
  2. Step 2: Convert to fraction form
    53,259,689.49/79,894,088.07 = 18,713,088.46/x
  3. Step 3: Cross multiply
    53,259,689.49x = 79,894,088.07 × 18,713,088.46
  4. Step 4: Simplify right side
    53,259,689.49x = 1,495,065,137,484,940.50
  5. Step 5: Solve for x
    x = 1,495,065,137,484,940.50/53,259,689.49
  6. Step 6: Final answer
    x = 28,071,232.71

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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.