Home / 80,482,802.84-111,090,353.21-47,001,313.36

Finding the Fourth Proportional to 80,482,802.84, 111,090,353.21 and 47,001,313.36

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Solution

The fourth proportional to 80,482,802.84, 111,090,353.21 and 47,001,313.36 is: 64,875,878.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,482,802.84 : 111,090,353.21 = 47,001,313.36 : x
  2. Step 2: Convert to fraction form
    80,482,802.84/111,090,353.21 = 47,001,313.36/x
  3. Step 3: Cross multiply
    80,482,802.84x = 111,090,353.21 × 47,001,313.36
  4. Step 4: Simplify right side
    80,482,802.84x = 5,221,392,502,336,070
  5. Step 5: Solve for x
    x = 5,221,392,502,336,070/80,482,802.84
  6. Step 6: Final answer
    x = 64,875,878.05

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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.