Home / 213,111,200.40-319,572,322.20-98,036,509.20

Finding the Fourth Proportional to 213,111,200.40, 319,572,322.20 and 98,036,509.20

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Solution

The fourth proportional to 213,111,200.40, 319,572,322.20 and 98,036,509.20 is: 147,011,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,111,200.40 : 319,572,322.20 = 98,036,509.20 : x
  2. Step 2: Convert to fraction form
    213,111,200.40/319,572,322.20 = 98,036,509.20/x
  3. Step 3: Cross multiply
    213,111,200.40x = 319,572,322.20 × 98,036,509.20
  4. Step 4: Simplify right side
    213,111,200.40x = 31,329,754,905,425,664
  5. Step 5: Solve for x
    x = 31,329,754,905,425,664/213,111,200.40
  6. Step 6: Final answer
    x = 147,011,301.36

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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.