Home / 117,811,315.08-162,578,065.14-64,887,006.60

Finding the Fourth Proportional to 117,811,315.08, 162,578,065.14 and 64,887,006.60

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Solution

The fourth proportional to 117,811,315.08, 162,578,065.14 and 64,887,006.60 is: 89,543,215.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,811,315.08 : 162,578,065.14 = 64,887,006.60 : x
  2. Step 2: Convert to fraction form
    117,811,315.08/162,578,065.14 = 64,887,006.60/x
  3. Step 3: Cross multiply
    117,811,315.08x = 162,578,065.14 × 64,887,006.60
  4. Step 4: Simplify right side
    117,811,315.08x = 10,549,203,985,754,410
  5. Step 5: Solve for x
    x = 10,549,203,985,754,410/117,811,315.08
  6. Step 6: Final answer
    x = 89,543,215.60

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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.