Home / 75,502,728.80-112,702,894.56-64,788,878.24

Finding the Fourth Proportional to 75,502,728.80, 112,702,894.56 and 64,788,878.24

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Solution

The fourth proportional to 75,502,728.80, 112,702,894.56 and 64,788,878.24 is: 96,710,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,502,728.80 : 112,702,894.56 = 64,788,878.24 : x
  2. Step 2: Convert to fraction form
    75,502,728.80/112,702,894.56 = 64,788,878.24/x
  3. Step 3: Cross multiply
    75,502,728.80x = 112,702,894.56 × 64,788,878.24
  4. Step 4: Simplify right side
    75,502,728.80x = 7,301,894,112,943,399
  5. Step 5: Solve for x
    x = 7,301,894,112,943,399/75,502,728.80
  6. Step 6: Final answer
    x = 96,710,333.90

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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.