Home / 42,718,458.50-64,051,852.80-16,779,708.62

Finding the Fourth Proportional to 42,718,458.50, 64,051,852.80 and 16,779,708.62

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Solution

The fourth proportional to 42,718,458.50, 64,051,852.80 and 16,779,708.62 is: 25,159,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,718,458.50 : 64,051,852.80 = 16,779,708.62 : x
  2. Step 2: Convert to fraction form
    42,718,458.50/64,051,852.80 = 16,779,708.62/x
  3. Step 3: Cross multiply
    42,718,458.50x = 64,051,852.80 × 16,779,708.62
  4. Step 4: Simplify right side
    42,718,458.50x = 1,074,771,426,555,131.12
  5. Step 5: Solve for x
    x = 1,074,771,426,555,131.12/42,718,458.50
  6. Step 6: Final answer
    x = 25,159,415.02

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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.