Home / 64,152,047.70-96,228,071.55-21,010,848.30

Finding the Fourth Proportional to 64,152,047.70, 96,228,071.55 and 21,010,848.30

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Solution

The fourth proportional to 64,152,047.70, 96,228,071.55 and 21,010,848.30 is: 31,516,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,152,047.70 : 96,228,071.55 = 21,010,848.30 : x
  2. Step 2: Convert to fraction form
    64,152,047.70/96,228,071.55 = 21,010,848.30/x
  3. Step 3: Cross multiply
    64,152,047.70x = 96,228,071.55 × 21,010,848.30
  4. Step 4: Simplify right side
    64,152,047.70x = 2,021,833,413,538,595.75
  5. Step 5: Solve for x
    x = 2,021,833,413,538,595.75/64,152,047.70
  6. Step 6: Final answer
    x = 31,516,272.45

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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.