Home / 145,436,666.70-218,155,000.05-91,017,108.30

Finding the Fourth Proportional to 145,436,666.70, 218,155,000.05 and 91,017,108.30

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Solution

The fourth proportional to 145,436,666.70, 218,155,000.05 and 91,017,108.30 is: 136,525,662.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,436,666.70 : 218,155,000.05 = 91,017,108.30 : x
  2. Step 2: Convert to fraction form
    145,436,666.70/218,155,000.05 = 91,017,108.30/x
  3. Step 3: Cross multiply
    145,436,666.70x = 218,155,000.05 × 91,017,108.30
  4. Step 4: Simplify right side
    145,436,666.70x = 19,855,837,265,737,356
  5. Step 5: Solve for x
    x = 19,855,837,265,737,356/145,436,666.70
  6. Step 6: Final answer
    x = 136,525,662.45

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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.