Home / 74,750,803.40-112,126,205.10-73,071,187.40

Finding the Fourth Proportional to 74,750,803.40, 112,126,205.10 and 73,071,187.40

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Solution

The fourth proportional to 74,750,803.40, 112,126,205.10 and 73,071,187.40 is: 109,606,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,750,803.40 : 112,126,205.10 = 73,071,187.40 : x
  2. Step 2: Convert to fraction form
    74,750,803.40/112,126,205.10 = 73,071,187.40/x
  3. Step 3: Cross multiply
    74,750,803.40x = 112,126,205.10 × 73,071,187.40
  4. Step 4: Simplify right side
    74,750,803.40x = 8,193,194,945,312,936
  5. Step 5: Solve for x
    x = 8,193,194,945,312,936/74,750,803.40
  6. Step 6: Final answer
    x = 109,606,781.10

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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.