Home / 81,656,256.60-122,484,384.90-58,698,005.40

Finding the Fourth Proportional to 81,656,256.60, 122,484,384.90 and 58,698,005.40

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Solution

The fourth proportional to 81,656,256.60, 122,484,384.90 and 58,698,005.40 is: 88,047,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,656,256.60 : 122,484,384.90 = 58,698,005.40 : x
  2. Step 2: Convert to fraction form
    81,656,256.60/122,484,384.90 = 58,698,005.40/x
  3. Step 3: Cross multiply
    81,656,256.60x = 122,484,384.90 × 58,698,005.40
  4. Step 4: Simplify right side
    81,656,256.60x = 7,189,589,086,275,879
  5. Step 5: Solve for x
    x = 7,189,589,086,275,879/81,656,256.60
  6. Step 6: Final answer
    x = 88,047,008.10

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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.