Home / 165,116,860.80-247,674,416.40-42,294,940.80

Finding the Fourth Proportional to 165,116,860.80, 247,674,416.40 and 42,294,940.80

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Solution

The fourth proportional to 165,116,860.80, 247,674,416.40 and 42,294,940.80 is: 63,442,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,116,860.80 : 247,674,416.40 = 42,294,940.80 : x
  2. Step 2: Convert to fraction form
    165,116,860.80/247,674,416.40 = 42,294,940.80/x
  3. Step 3: Cross multiply
    165,116,860.80x = 247,674,416.40 × 42,294,940.80
  4. Step 4: Simplify right side
    165,116,860.80x = 10,475,374,779,312,548
  5. Step 5: Solve for x
    x = 10,475,374,779,312,548/165,116,860.80
  6. Step 6: Final answer
    x = 63,442,187.12

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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.