Home / 142,406,927.48-213,642,605.77-45,368,162.84

Finding the Fourth Proportional to 142,406,927.48, 213,642,605.77 and 45,368,162.84

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Solution

The fourth proportional to 142,406,927.48, 213,642,605.77 and 45,368,162.84 is: 68,062,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,406,927.48 : 213,642,605.77 = 45,368,162.84 : x
  2. Step 2: Convert to fraction form
    142,406,927.48/213,642,605.77 = 45,368,162.84/x
  3. Step 3: Cross multiply
    142,406,927.48x = 213,642,605.77 × 45,368,162.84
  4. Step 4: Simplify right side
    142,406,927.48x = 9,692,572,528,555,970
  5. Step 5: Solve for x
    x = 9,692,572,528,555,970/142,406,927.48
  6. Step 6: Final answer
    x = 68,062,507.21

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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.