Home / 72,229,394.79-99,675,307.80-43,961,549.76

Finding the Fourth Proportional to 72,229,394.79, 99,675,307.80 and 43,961,549.76

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Solution

The fourth proportional to 72,229,394.79, 99,675,307.80 and 43,961,549.76 is: 60,666,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,229,394.79 : 99,675,307.80 = 43,961,549.76 : x
  2. Step 2: Convert to fraction form
    72,229,394.79/99,675,307.80 = 43,961,549.76/x
  3. Step 3: Cross multiply
    72,229,394.79x = 99,675,307.80 × 43,961,549.76
  4. Step 4: Simplify right side
    72,229,394.79x = 4,381,881,003,693,016
  5. Step 5: Solve for x
    x = 4,381,881,003,693,016/72,229,394.79
  6. Step 6: Final answer
    x = 60,666,173.60

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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.