Home / 105,492,461.21-145,577,669.64-58,449,363.10

Finding the Fourth Proportional to 105,492,461.21, 145,577,669.64 and 58,449,363.10

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Solution

The fourth proportional to 105,492,461.21, 145,577,669.64 and 58,449,363.10 is: 80,659,053.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,492,461.21 : 145,577,669.64 = 58,449,363.10 : x
  2. Step 2: Convert to fraction form
    105,492,461.21/145,577,669.64 = 58,449,363.10/x
  3. Step 3: Cross multiply
    105,492,461.21x = 145,577,669.64 × 58,449,363.10
  4. Step 4: Simplify right side
    105,492,461.21x = 8,508,922,071,676,261
  5. Step 5: Solve for x
    x = 8,508,922,071,676,261/105,492,461.21
  6. Step 6: Final answer
    x = 80,659,053.49

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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.