Home / 165,120,904.80-247,680,373.05-42,298,984.80

Finding the Fourth Proportional to 165,120,904.80, 247,680,373.05 and 42,298,984.80

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Solution

The fourth proportional to 165,120,904.80, 247,680,373.05 and 42,298,984.80 is: 63,448,225.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,120,904.80 : 247,680,373.05 = 42,298,984.80 : x
  2. Step 2: Convert to fraction form
    165,120,904.80/247,680,373.05 = 42,298,984.80/x
  3. Step 3: Cross multiply
    165,120,904.80x = 247,680,373.05 × 42,298,984.80
  4. Step 4: Simplify right side
    165,120,904.80x = 10,476,628,334,900,280
  5. Step 5: Solve for x
    x = 10,476,628,334,900,280/165,120,904.80
  6. Step 6: Final answer
    x = 63,448,225.09

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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.