Home / 118,705,004.31-178,061,005.67-101,323,616.07

Finding the Fourth Proportional to 118,705,004.31, 178,061,005.67 and 101,323,616.07

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Solution

The fourth proportional to 118,705,004.31, 178,061,005.67 and 101,323,616.07 is: 151,988,410.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,705,004.31 : 178,061,005.67 = 101,323,616.07 : x
  2. Step 2: Convert to fraction form
    118,705,004.31/178,061,005.67 = 101,323,616.07/x
  3. Step 3: Cross multiply
    118,705,004.31x = 178,061,005.67 × 101,323,616.07
  4. Step 4: Simplify right side
    118,705,004.31x = 18,041,784,975,038,552
  5. Step 5: Solve for x
    x = 18,041,784,975,038,552/118,705,004.31
  6. Step 6: Final answer
    x = 151,988,410.93

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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.