Home / 210,674,379.44-290,731,070.40-117,856,437.32

Finding the Fourth Proportional to 210,674,379.44, 290,731,070.40 and 117,856,437.32

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Solution

The fourth proportional to 210,674,379.44, 290,731,070.40 and 117,856,437.32 is: 162,642,122.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,674,379.44 : 290,731,070.40 = 117,856,437.32 : x
  2. Step 2: Convert to fraction form
    210,674,379.44/290,731,070.40 = 117,856,437.32/x
  3. Step 3: Cross multiply
    210,674,379.44x = 290,731,070.40 × 117,856,437.32
  4. Step 4: Simplify right side
    210,674,379.44x = 34,264,528,175,574,104
  5. Step 5: Solve for x
    x = 34,264,528,175,574,104/210,674,379.44
  6. Step 6: Final answer
    x = 162,642,122.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.