Home / 117,424,009.40-176,136,014.10-106,842,428.60

Finding the Fourth Proportional to 117,424,009.40, 176,136,014.10 and 106,842,428.60

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Solution

The fourth proportional to 117,424,009.40, 176,136,014.10 and 106,842,428.60 is: 160,263,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,424,009.40 : 176,136,014.10 = 106,842,428.60 : x
  2. Step 2: Convert to fraction form
    117,424,009.40/176,136,014.10 = 106,842,428.60/x
  3. Step 3: Cross multiply
    117,424,009.40x = 176,136,014.10 × 106,842,428.60
  4. Step 4: Simplify right side
    117,424,009.40x = 18,818,799,510,367,840
  5. Step 5: Solve for x
    x = 18,818,799,510,367,840/117,424,009.40
  6. Step 6: Final answer
    x = 160,263,642.90

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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.