Home / 64,456,331.52-96,660,028.80-21,312,595.20

Finding the Fourth Proportional to 64,456,331.52, 96,660,028.80 and 21,312,595.20

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Solution

The fourth proportional to 64,456,331.52, 96,660,028.80 and 21,312,595.20 is: 31,960,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,456,331.52 : 96,660,028.80 = 21,312,595.20 : x
  2. Step 2: Convert to fraction form
    64,456,331.52/96,660,028.80 = 21,312,595.20/x
  3. Step 3: Cross multiply
    64,456,331.52x = 96,660,028.80 × 21,312,595.20
  4. Step 4: Simplify right side
    64,456,331.52x = 2,060,076,065,834,741.50
  5. Step 5: Solve for x
    x = 2,060,076,065,834,741.50/64,456,331.52
  6. Step 6: Final answer
    x = 31,960,802.26

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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.