Home / 64,260,428.60-96,402,860.94-21,142,061.48

Finding the Fourth Proportional to 64,260,428.60, 96,402,860.94 and 21,142,061.48

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Solution

The fourth proportional to 64,260,428.60, 96,402,860.94 and 21,142,061.48 is: 31,717,112.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,260,428.60 : 96,402,860.94 = 21,142,061.48 : x
  2. Step 2: Convert to fraction form
    64,260,428.60/96,402,860.94 = 21,142,061.48/x
  3. Step 3: Cross multiply
    64,260,428.60x = 96,402,860.94 × 21,142,061.48
  4. Step 4: Simplify right side
    64,260,428.60x = 2,038,155,212,841,370.50
  5. Step 5: Solve for x
    x = 2,038,155,212,841,370.50/64,260,428.60
  6. Step 6: Final answer
    x = 31,717,112.03

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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.