Home / 181,917,009.10-272,875,513.65-72,688,168.90

Finding the Fourth Proportional to 181,917,009.10, 272,875,513.65 and 72,688,168.90

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Solution

The fourth proportional to 181,917,009.10, 272,875,513.65 and 72,688,168.90 is: 109,032,253.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,917,009.10 : 272,875,513.65 = 72,688,168.90 : x
  2. Step 2: Convert to fraction form
    181,917,009.10/272,875,513.65 = 72,688,168.90/x
  3. Step 3: Cross multiply
    181,917,009.10x = 272,875,513.65 × 72,688,168.90
  4. Step 4: Simplify right side
    181,917,009.10x = 19,834,821,424,865,456
  5. Step 5: Solve for x
    x = 19,834,821,424,865,456/181,917,009.10
  6. Step 6: Final answer
    x = 109,032,253.35

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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.