Home / 165,875,412.80-248,495,858.40-89,172,948.80

Finding the Fourth Proportional to 165,875,412.80, 248,495,858.40 and 89,172,948.80

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Solution

The fourth proportional to 165,875,412.80, 248,495,858.40 and 89,172,948.80 is: 133,588,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,875,412.80 : 248,495,858.40 = 89,172,948.80 : x
  2. Step 2: Convert to fraction form
    165,875,412.80/248,495,858.40 = 89,172,948.80/x
  3. Step 3: Cross multiply
    165,875,412.80x = 248,495,858.40 × 89,172,948.80
  4. Step 4: Simplify right side
    165,875,412.80x = 22,159,108,458,115,248
  5. Step 5: Solve for x
    x = 22,159,108,458,115,248/165,875,412.80
  6. Step 6: Final answer
    x = 133,588,866.99

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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.