Home / 103,586,156.80-155,397,897.60-43,008,006.40

Finding the Fourth Proportional to 103,586,156.80, 155,397,897.60 and 43,008,006.40

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Solution

The fourth proportional to 103,586,156.80, 155,397,897.60 and 43,008,006.40 is: 64,519,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586,156.80 : 155,397,897.60 = 43,008,006.40 : x
  2. Step 2: Convert to fraction form
    103,586,156.80/155,397,897.60 = 43,008,006.40/x
  3. Step 3: Cross multiply
    103,586,156.80x = 155,397,897.60 × 43,008,006.40
  4. Step 4: Simplify right side
    103,586,156.80x = 6,683,353,774,527,344
  5. Step 5: Solve for x
    x = 6,683,353,774,527,344/103,586,156.80
  6. Step 6: Final answer
    x = 64,519,758.05

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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.