Home / 147,521,960.10-203,606,953.29-87,987,071.88

Finding the Fourth Proportional to 147,521,960.10, 203,606,953.29 and 87,987,071.88

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Solution

The fourth proportional to 147,521,960.10, 203,606,953.29 and 87,987,071.88 is: 121,438,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,521,960.10 : 203,606,953.29 = 87,987,071.88 : x
  2. Step 2: Convert to fraction form
    147,521,960.10/203,606,953.29 = 87,987,071.88/x
  3. Step 3: Cross multiply
    147,521,960.10x = 203,606,953.29 × 87,987,071.88
  4. Step 4: Simplify right side
    147,521,960.10x = 17,914,779,634,395,030
  5. Step 5: Solve for x
    x = 17,914,779,634,395,030/147,521,960.10
  6. Step 6: Final answer
    x = 121,438,053.17

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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.