Home / 117,452,014.60-176,178,021.90-76,637,345.80

Finding the Fourth Proportional to 117,452,014.60, 176,178,021.90 and 76,637,345.80

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Solution

The fourth proportional to 117,452,014.60, 176,178,021.90 and 76,637,345.80 is: 114,956,018.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,452,014.60 : 176,178,021.90 = 76,637,345.80 : x
  2. Step 2: Convert to fraction form
    117,452,014.60/176,178,021.90 = 76,637,345.80/x
  3. Step 3: Cross multiply
    117,452,014.60x = 176,178,021.90 × 76,637,345.80
  4. Step 4: Simplify right side
    117,452,014.60x = 13,501,815,986,710,272
  5. Step 5: Solve for x
    x = 13,501,815,986,710,272/117,452,014.60
  6. Step 6: Final answer
    x = 114,956,018.70

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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.