Home / 64,516,875.20-96,775,312.80-28,615,083.20

Finding the Fourth Proportional to 64,516,875.20, 96,775,312.80 and 28,615,083.20

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Solution

The fourth proportional to 64,516,875.20, 96,775,312.80 and 28,615,083.20 is: 42,922,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,516,875.20 : 96,775,312.80 = 28,615,083.20 : x
  2. Step 2: Convert to fraction form
    64,516,875.20/96,775,312.80 = 28,615,083.20/x
  3. Step 3: Cross multiply
    64,516,875.20x = 96,775,312.80 × 28,615,083.20
  4. Step 4: Simplify right side
    64,516,875.20x = 2,769,233,627,478,025
  5. Step 5: Solve for x
    x = 2,769,233,627,478,025/64,516,875.20
  6. Step 6: Final answer
    x = 42,922,624.80

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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.