Home / 102,923,701.44-142,034,708.52-56,513,955.60

Finding the Fourth Proportional to 102,923,701.44, 142,034,708.52 and 56,513,955.60

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Solution

The fourth proportional to 102,923,701.44, 142,034,708.52 and 56,513,955.60 is: 77,989,259.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,923,701.44 : 142,034,708.52 = 56,513,955.60 : x
  2. Step 2: Convert to fraction form
    102,923,701.44/142,034,708.52 = 56,513,955.60/x
  3. Step 3: Cross multiply
    102,923,701.44x = 142,034,708.52 × 56,513,955.60
  4. Step 4: Simplify right side
    102,923,701.44x = 8,026,943,210,958,223
  5. Step 5: Solve for x
    x = 8,026,943,210,958,223/102,923,701.44
  6. Step 6: Final answer
    x = 77,989,259.02

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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.