Home / 72,021,130.74-108,036,502.65-25,329,014.46

Finding the Fourth Proportional to 72,021,130.74, 108,036,502.65 and 25,329,014.46

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Solution

The fourth proportional to 72,021,130.74, 108,036,502.65 and 25,329,014.46 is: 37,995,212.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,021,130.74 : 108,036,502.65 = 25,329,014.46 : x
  2. Step 2: Convert to fraction form
    72,021,130.74/108,036,502.65 = 25,329,014.46/x
  3. Step 3: Cross multiply
    72,021,130.74x = 108,036,502.65 × 25,329,014.46
  4. Step 4: Simplify right side
    72,021,130.74x = 2,736,458,137,829,678.50
  5. Step 5: Solve for x
    x = 2,736,458,137,829,678.50/72,021,130.74
  6. Step 6: Final answer
    x = 37,995,212.10

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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.