Home / 210,326,045.50-290,244,595.57-117,507,250.45

Finding the Fourth Proportional to 210,326,045.50, 290,244,595.57 and 117,507,250.45

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Solution

The fourth proportional to 210,326,045.50, 290,244,595.57 and 117,507,250.45 is: 162,157,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,326,045.50 : 290,244,595.57 = 117,507,250.45 : x
  2. Step 2: Convert to fraction form
    210,326,045.50/290,244,595.57 = 117,507,250.45/x
  3. Step 3: Cross multiply
    210,326,045.50x = 290,244,595.57 × 117,507,250.45
  4. Step 4: Simplify right side
    210,326,045.50x = 34,105,844,383,402,952
  5. Step 5: Solve for x
    x = 34,105,844,383,402,952/210,326,045.50
  6. Step 6: Final answer
    x = 162,157,018.18

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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.