Home / 157,426,830.40-236,184,482.40-76,650,433.60

Finding the Fourth Proportional to 157,426,830.40, 236,184,482.40 and 76,650,433.60

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Solution

The fourth proportional to 157,426,830.40, 236,184,482.40 and 76,650,433.60 is: 114,997,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,426,830.40 : 236,184,482.40 = 76,650,433.60 : x
  2. Step 2: Convert to fraction form
    157,426,830.40/236,184,482.40 = 76,650,433.60/x
  3. Step 3: Cross multiply
    157,426,830.40x = 236,184,482.40 × 76,650,433.60
  4. Step 4: Simplify right side
    157,426,830.40x = 18,103,642,985,551,568
  5. Step 5: Solve for x
    x = 18,103,642,985,551,568/157,426,830.40
  6. Step 6: Final answer
    x = 114,997,189.10

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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.