Home / 399,480,437.50-599,220,656.26-112,266,101.50

Finding the Fourth Proportional to 399,480,437.50, 599,220,656.26 and 112,266,101.50

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Solution

The fourth proportional to 399,480,437.50, 599,220,656.26 and 112,266,101.50 is: 168,399,152.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,480,437.50 : 599,220,656.26 = 112,266,101.50 : x
  2. Step 2: Convert to fraction form
    399,480,437.50/599,220,656.26 = 112,266,101.50/x
  3. Step 3: Cross multiply
    399,480,437.50x = 599,220,656.26 × 112,266,101.50
  4. Step 4: Simplify right side
    399,480,437.50x = 67,272,167,016,581,768
  5. Step 5: Solve for x
    x = 67,272,167,016,581,768/399,480,437.50
  6. Step 6: Final answer
    x = 168,399,152.25

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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.