Home / 145,417,140.09-218,109,543.05-52,040,343.27

Finding the Fourth Proportional to 145,417,140.09, 218,109,543.05 and 52,040,343.27

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Solution

The fourth proportional to 145,417,140.09, 218,109,543.05 and 52,040,343.27 is: 78,054,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,417,140.09 : 218,109,543.05 = 52,040,343.27 : x
  2. Step 2: Convert to fraction form
    145,417,140.09/218,109,543.05 = 52,040,343.27/x
  3. Step 3: Cross multiply
    145,417,140.09x = 218,109,543.05 × 52,040,343.27
  4. Step 4: Simplify right side
    145,417,140.09x = 11,350,495,490,524,642
  5. Step 5: Solve for x
    x = 11,350,495,490,524,642/145,417,140.09
  6. Step 6: Final answer
    x = 78,054,729.20

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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.