Home / 118,210,005.40-177,315,008.10-67,191,669.40

Finding the Fourth Proportional to 118,210,005.40, 177,315,008.10 and 67,191,669.40

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Solution

The fourth proportional to 118,210,005.40, 177,315,008.10 and 67,191,669.40 is: 100,787,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,210,005.40 : 177,315,008.10 = 67,191,669.40 : x
  2. Step 2: Convert to fraction form
    118,210,005.40/177,315,008.10 = 67,191,669.40/x
  3. Step 3: Cross multiply
    118,210,005.40x = 177,315,008.10 × 67,191,669.40
  4. Step 4: Simplify right side
    118,210,005.40x = 11,914,091,403,913,522
  5. Step 5: Solve for x
    x = 11,914,091,403,913,522/118,210,005.40
  6. Step 6: Final answer
    x = 100,787,504.10

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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.