Home / 56,313,617.28-77,712,792.48-30,559,505.28

Finding the Fourth Proportional to 56,313,617.28, 77,712,792.48 and 30,559,505.28

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Solution

The fourth proportional to 56,313,617.28, 77,712,792.48 and 30,559,505.28 is: 42,172,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,313,617.28 : 77,712,792.48 = 30,559,505.28 : x
  2. Step 2: Convert to fraction form
    56,313,617.28/77,712,792.48 = 30,559,505.28/x
  3. Step 3: Cross multiply
    56,313,617.28x = 77,712,792.48 × 30,559,505.28
  4. Step 4: Simplify right side
    56,313,617.28x = 2,374,864,492,116,104.50
  5. Step 5: Solve for x
    x = 2,374,864,492,116,104.50/56,313,617.28
  6. Step 6: Final answer
    x = 42,172,117.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.