Home / 210,219,574.66-290,060,938.65-117,385,798.66

Finding the Fourth Proportional to 210,219,574.66, 290,060,938.65 and 117,385,798.66

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Solution

The fourth proportional to 210,219,574.66, 290,060,938.65 and 117,385,798.66 is: 161,968,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,219,574.66 : 290,060,938.65 = 117,385,798.66 : x
  2. Step 2: Convert to fraction form
    210,219,574.66/290,060,938.65 = 117,385,798.66/x
  3. Step 3: Cross multiply
    210,219,574.66x = 290,060,938.65 × 117,385,798.66
  4. Step 4: Simplify right side
    210,219,574.66x = 34,049,034,943,499,508
  5. Step 5: Solve for x
    x = 34,049,034,943,499,508/210,219,574.66
  6. Step 6: Final answer
    x = 161,968,907.98

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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.