Home / 149,713,061.80-224,569,592.70-85,215,807.40

Finding the Fourth Proportional to 149,713,061.80, 224,569,592.70 and 85,215,807.40

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Solution

The fourth proportional to 149,713,061.80, 224,569,592.70 and 85,215,807.40 is: 127,823,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,713,061.80 : 224,569,592.70 = 85,215,807.40 : x
  2. Step 2: Convert to fraction form
    149,713,061.80/224,569,592.70 = 85,215,807.40/x
  3. Step 3: Cross multiply
    149,713,061.80x = 224,569,592.70 × 85,215,807.40
  4. Step 4: Simplify right side
    149,713,061.80x = 19,136,879,159,419,648
  5. Step 5: Solve for x
    x = 19,136,879,159,419,648/149,713,061.80
  6. Step 6: Final answer
    x = 127,823,711.10

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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.