Home / 163,473,292.80-225,594,196.74-89,135,077.86

Finding the Fourth Proportional to 163,473,292.80, 225,594,196.74 and 89,135,077.86

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Solution

The fourth proportional to 163,473,292.80, 225,594,196.74 and 89,135,077.86 is: 123,006,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,473,292.80 : 225,594,196.74 = 89,135,077.86 : x
  2. Step 2: Convert to fraction form
    163,473,292.80/225,594,196.74 = 89,135,077.86/x
  3. Step 3: Cross multiply
    163,473,292.80x = 225,594,196.74 × 89,135,077.86
  4. Step 4: Simplify right side
    163,473,292.80x = 20,108,356,291,184,060
  5. Step 5: Solve for x
    x = 20,108,356,291,184,060/163,473,292.80
  6. Step 6: Final answer
    x = 123,006,981.43

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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.