Home / 165,696,920.02-249,090,252.99-153,711,081.10

Finding the Fourth Proportional to 165,696,920.02, 249,090,252.99 and 153,711,081.10

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Solution

The fourth proportional to 165,696,920.02, 249,090,252.99 and 153,711,081.10 is: 231,072,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,696,920.02 : 249,090,252.99 = 153,711,081.10 : x
  2. Step 2: Convert to fraction form
    165,696,920.02/249,090,252.99 = 153,711,081.10/x
  3. Step 3: Cross multiply
    165,696,920.02x = 249,090,252.99 × 153,711,081.10
  4. Step 4: Simplify right side
    165,696,920.02x = 38,287,932,078,565,408
  5. Step 5: Solve for x
    x = 38,287,932,078,565,408/165,696,920.02
  6. Step 6: Final answer
    x = 231,072,080.72

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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.