Home / 72,535,619.80-108,803,429.70-63,087,779.80

Finding the Fourth Proportional to 72,535,619.80, 108,803,429.70 and 63,087,779.80

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Solution

The fourth proportional to 72,535,619.80, 108,803,429.70 and 63,087,779.80 is: 94,631,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,535,619.80 : 108,803,429.70 = 63,087,779.80 : x
  2. Step 2: Convert to fraction form
    72,535,619.80/108,803,429.70 = 63,087,779.80/x
  3. Step 3: Cross multiply
    72,535,619.80x = 108,803,429.70 × 63,087,779.80
  4. Step 4: Simplify right side
    72,535,619.80x = 6,864,166,814,398,380
  5. Step 5: Solve for x
    x = 6,864,166,814,398,380/72,535,619.80
  6. Step 6: Final answer
    x = 94,631,669.70

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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.