Home / 179,156,223.90-247,185,628.14-115,549,649.10

Finding the Fourth Proportional to 179,156,223.90, 247,185,628.14 and 115,549,649.10

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Solution

The fourth proportional to 179,156,223.90, 247,185,628.14 and 115,549,649.10 is: 159,426,292.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,156,223.90 : 247,185,628.14 = 115,549,649.10 : x
  2. Step 2: Convert to fraction form
    179,156,223.90/247,185,628.14 = 115,549,649.10/x
  3. Step 3: Cross multiply
    179,156,223.90x = 247,185,628.14 × 115,549,649.10
  4. Step 4: Simplify right side
    179,156,223.90x = 28,562,212,594,140,084
  5. Step 5: Solve for x
    x = 28,562,212,594,140,084/179,156,223.90
  6. Step 6: Final answer
    x = 159,426,292.72

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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.