Home / 129,425,424.40-194,138,136.60-117,710,102.80

Finding the Fourth Proportional to 129,425,424.40, 194,138,136.60 and 117,710,102.80

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Solution

The fourth proportional to 129,425,424.40, 194,138,136.60 and 117,710,102.80 is: 176,565,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,425,424.40 : 194,138,136.60 = 117,710,102.80 : x
  2. Step 2: Convert to fraction form
    129,425,424.40/194,138,136.60 = 117,710,102.80/x
  3. Step 3: Cross multiply
    129,425,424.40x = 194,138,136.60 × 117,710,102.80
  4. Step 4: Simplify right side
    129,425,424.40x = 22,852,020,016,586,440
  5. Step 5: Solve for x
    x = 22,852,020,016,586,440/129,425,424.40
  6. Step 6: Final answer
    x = 176,565,154.20

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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.