Home / 105,619,984.02-145,755,479.97-59,210,236.58

Finding the Fourth Proportional to 105,619,984.02, 145,755,479.97 and 59,210,236.58

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Solution

The fourth proportional to 105,619,984.02, 145,755,479.97 and 59,210,236.58 is: 81,710,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,619,984.02 : 145,755,479.97 = 59,210,236.58 : x
  2. Step 2: Convert to fraction form
    105,619,984.02/145,755,479.97 = 59,210,236.58/x
  3. Step 3: Cross multiply
    105,619,984.02x = 145,755,479.97 × 59,210,236.58
  4. Step 4: Simplify right side
    105,619,984.02x = 8,630,216,451,126,374
  5. Step 5: Solve for x
    x = 8,630,216,451,126,374/105,619,984.02
  6. Step 6: Final answer
    x = 81,710,071.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.