Home / 72,444,083.28-99,963,750.48-48,973,688.40

Finding the Fourth Proportional to 72,444,083.28, 99,963,750.48 and 48,973,688.40

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Solution

The fourth proportional to 72,444,083.28, 99,963,750.48 and 48,973,688.40 is: 67,577,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,444,083.28 : 99,963,750.48 = 48,973,688.40 : x
  2. Step 2: Convert to fraction form
    72,444,083.28/99,963,750.48 = 48,973,688.40/x
  3. Step 3: Cross multiply
    72,444,083.28x = 99,963,750.48 × 48,973,688.40
  4. Step 4: Simplify right side
    72,444,083.28x = 4,895,593,567,302,870
  5. Step 5: Solve for x
    x = 4,895,593,567,302,870/72,444,083.28
  6. Step 6: Final answer
    x = 67,577,548.72

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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.