Home / 198,581,631.40-297,872,447.10-53,014,911.40

Finding the Fourth Proportional to 198,581,631.40, 297,872,447.10 and 53,014,911.40

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Solution

The fourth proportional to 198,581,631.40, 297,872,447.10 and 53,014,911.40 is: 79,522,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,581,631.40 : 297,872,447.10 = 53,014,911.40 : x
  2. Step 2: Convert to fraction form
    198,581,631.40/297,872,447.10 = 53,014,911.40/x
  3. Step 3: Cross multiply
    198,581,631.40x = 297,872,447.10 × 53,014,911.40
  4. Step 4: Simplify right side
    198,581,631.40x = 15,791,681,391,507,688
  5. Step 5: Solve for x
    x = 15,791,681,391,507,688/198,581,631.40
  6. Step 6: Final answer
    x = 79,522,367.10

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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.