Home / 165,429,376.60-248,144,064.90-42,607,456.60

Finding the Fourth Proportional to 165,429,376.60, 248,144,064.90 and 42,607,456.60

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Solution

The fourth proportional to 165,429,376.60, 248,144,064.90 and 42,607,456.60 is: 63,911,184.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,429,376.60 : 248,144,064.90 = 42,607,456.60 : x
  2. Step 2: Convert to fraction form
    165,429,376.60/248,144,064.90 = 42,607,456.60/x
  3. Step 3: Cross multiply
    165,429,376.60x = 248,144,064.90 × 42,607,456.60
  4. Step 4: Simplify right side
    165,429,376.60x = 10,572,787,475,774,334
  5. Step 5: Solve for x
    x = 10,572,787,475,774,334/165,429,376.60
  6. Step 6: Final answer
    x = 63,911,184.90

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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.