Home / 120,692,350.80-181,038,526.20-39,913,318.80

Finding the Fourth Proportional to 120,692,350.80, 181,038,526.20 and 39,913,318.80

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Solution

The fourth proportional to 120,692,350.80, 181,038,526.20 and 39,913,318.80 is: 59,869,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,692,350.80 : 181,038,526.20 = 39,913,318.80 : x
  2. Step 2: Convert to fraction form
    120,692,350.80/181,038,526.20 = 39,913,318.80/x
  3. Step 3: Cross multiply
    120,692,350.80x = 181,038,526.20 × 39,913,318.80
  4. Step 4: Simplify right side
    120,692,350.80x = 7,225,848,411,302,752
  5. Step 5: Solve for x
    x = 7,225,848,411,302,752/120,692,350.80
  6. Step 6: Final answer
    x = 59,869,978.20

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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.