Home / 145,200,335.60-218,052,445.80-77,175,887.60

Finding the Fourth Proportional to 145,200,335.60, 218,052,445.80 and 77,175,887.60

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Solution

The fourth proportional to 145,200,335.60, 218,052,445.80 and 77,175,887.60 is: 115,897,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,200,335.60 : 218,052,445.80 = 77,175,887.60 : x
  2. Step 2: Convert to fraction form
    145,200,335.60/218,052,445.80 = 77,175,887.60/x
  3. Step 3: Cross multiply
    145,200,335.60x = 218,052,445.80 × 77,175,887.60
  4. Step 4: Simplify right side
    145,200,335.60x = 16,828,391,047,965,892
  5. Step 5: Solve for x
    x = 16,828,391,047,965,892/145,200,335.60
  6. Step 6: Final answer
    x = 115,897,742.10

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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.