Home / 145,432,682.90-218,132,909.81-52,055,925.03

Finding the Fourth Proportional to 145,432,682.90, 218,132,909.81 and 52,055,925.03

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Solution

The fourth proportional to 145,432,682.90, 218,132,909.81 and 52,055,925.03 is: 78,078,119.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,432,682.90 : 218,132,909.81 = 52,055,925.03 : x
  2. Step 2: Convert to fraction form
    145,432,682.90/218,132,909.81 = 52,055,925.03/x
  3. Step 3: Cross multiply
    145,432,682.90x = 218,132,909.81 × 52,055,925.03
  4. Step 4: Simplify right side
    145,432,682.90x = 11,355,110,398,762,042
  5. Step 5: Solve for x
    x = 11,355,110,398,762,042/145,432,682.90
  6. Step 6: Final answer
    x = 78,078,119.53

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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.