Home / 102,008,860.22-153,072,565.51-42,916,911.68

Finding the Fourth Proportional to 102,008,860.22, 153,072,565.51 and 42,916,911.68

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Solution

The fourth proportional to 102,008,860.22, 153,072,565.51 and 42,916,911.68 is: 64,400,305.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,008,860.22 : 153,072,565.51 = 42,916,911.68 : x
  2. Step 2: Convert to fraction form
    102,008,860.22/153,072,565.51 = 42,916,911.68/x
  3. Step 3: Cross multiply
    102,008,860.22x = 153,072,565.51 × 42,916,911.68
  4. Step 4: Simplify right side
    102,008,860.22x = 6,569,401,774,623,684
  5. Step 5: Solve for x
    x = 6,569,401,774,623,684/102,008,860.22
  6. Step 6: Final answer
    x = 64,400,305.62

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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.