Home / 139,060,456.95-191,913,130.13-91,935,655.17

Finding the Fourth Proportional to 139,060,456.95, 191,913,130.13 and 91,935,655.17

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Solution

The fourth proportional to 139,060,456.95, 191,913,130.13 and 91,935,655.17 is: 126,877,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,060,456.95 : 191,913,130.13 = 91,935,655.17 : x
  2. Step 2: Convert to fraction form
    139,060,456.95/191,913,130.13 = 91,935,655.17/x
  3. Step 3: Cross multiply
    139,060,456.95x = 191,913,130.13 × 91,935,655.17
  4. Step 4: Simplify right side
    139,060,456.95x = 17,643,659,352,807,774
  5. Step 5: Solve for x
    x = 17,643,659,352,807,774/139,060,456.95
  6. Step 6: Final answer
    x = 126,877,616.69

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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.