Home / 71,845,001.95-107,767,502.93-20,728,688.35

Finding the Fourth Proportional to 71,845,001.95, 107,767,502.93 and 20,728,688.35

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Solution

The fourth proportional to 71,845,001.95, 107,767,502.93 and 20,728,688.35 is: 31,093,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,845,001.95 : 107,767,502.93 = 20,728,688.35 : x
  2. Step 2: Convert to fraction form
    71,845,001.95/107,767,502.93 = 20,728,688.35/x
  3. Step 3: Cross multiply
    71,845,001.95x = 107,767,502.93 × 20,728,688.35
  4. Step 4: Simplify right side
    71,845,001.95x = 2,233,878,982,390,038.50
  5. Step 5: Solve for x
    x = 2,233,878,982,390,038.50/71,845,001.95
  6. Step 6: Final answer
    x = 31,093,032.53

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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.