Home / 75,502,751.80-112,702,928.91-64,788,901.24

Finding the Fourth Proportional to 75,502,751.80, 112,702,928.91 and 64,788,901.24

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Solution

The fourth proportional to 75,502,751.80, 112,702,928.91 and 64,788,901.24 is: 96,710,368.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,502,751.80 : 112,702,928.91 = 64,788,901.24 : x
  2. Step 2: Convert to fraction form
    75,502,751.80/112,702,928.91 = 64,788,901.24/x
  3. Step 3: Cross multiply
    75,502,751.80x = 112,702,928.91 × 64,788,901.24
  4. Step 4: Simplify right side
    75,502,751.80x = 7,301,898,930,608,731
  5. Step 5: Solve for x
    x = 7,301,898,930,608,731/75,502,751.80
  6. Step 6: Final answer
    x = 96,710,368.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.