Home / 242,912,689.87-364,076,289.12-111,573,726.64

Finding the Fourth Proportional to 242,912,689.87, 364,076,289.12 and 111,573,726.64

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Solution

The fourth proportional to 242,912,689.87, 364,076,289.12 and 111,573,726.64 is: 167,226,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,912,689.87 : 364,076,289.12 = 111,573,726.64 : x
  2. Step 2: Convert to fraction form
    242,912,689.87/364,076,289.12 = 111,573,726.64/x
  3. Step 3: Cross multiply
    242,912,689.87x = 364,076,289.12 × 111,573,726.64
  4. Step 4: Simplify right side
    242,912,689.87x = 40,621,348,358,380,488
  5. Step 5: Solve for x
    x = 40,621,348,358,380,488/242,912,689.87
  6. Step 6: Final answer
    x = 167,226,127.13

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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.