Home / 97,299,578,488.95-145,896,162,559.65-77,259,734,187.18

Finding the Fourth Proportional to 97,299,578,488.95, 145,896,162,559.65 and 77,259,734,187.18

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Solution

The fourth proportional to 97,299,578,488.95, 145,896,162,559.65 and 77,259,734,187.18 is: 115,847,354,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,299,578,488.95 : 145,896,162,559.65 = 77,259,734,187.18 : x
  2. Step 2: Convert to fraction form
    97,299,578,488.95/145,896,162,559.65 = 77,259,734,187.18/x
  3. Step 3: Cross multiply
    97,299,578,488.95x = 145,896,162,559.65 × 77,259,734,187.18
  4. Step 4: Simplify right side
    97,299,578,488.95x = 11,271,898,738,288,161,193,984
  5. Step 5: Solve for x
    x = 11,271,898,738,288,161,193,984/97,299,578,488.95
  6. Step 6: Final answer
    x = 115,847,354,257.23

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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.