Home / 48,282,212.70-72,423,319.05-21,001,574.70

Finding the Fourth Proportional to 48,282,212.70, 72,423,319.05 and 21,001,574.70

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Solution

The fourth proportional to 48,282,212.70, 72,423,319.05 and 21,001,574.70 is: 31,502,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,282,212.70 : 72,423,319.05 = 21,001,574.70 : x
  2. Step 2: Convert to fraction form
    48,282,212.70/72,423,319.05 = 21,001,574.70/x
  3. Step 3: Cross multiply
    48,282,212.70x = 72,423,319.05 × 21,001,574.70
  4. Step 4: Simplify right side
    48,282,212.70x = 1,521,003,745,050,508
  5. Step 5: Solve for x
    x = 1,521,003,745,050,508/48,282,212.70
  6. Step 6: Final answer
    x = 31,502,362.05

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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.