Home / 82,537,179.12-113,892,263.64-47,724,601.68

Finding the Fourth Proportional to 82,537,179.12, 113,892,263.64 and 47,724,601.68

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Solution

The fourth proportional to 82,537,179.12, 113,892,263.64 and 47,724,601.68 is: 65,854,721.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,537,179.12 : 113,892,263.64 = 47,724,601.68 : x
  2. Step 2: Convert to fraction form
    82,537,179.12/113,892,263.64 = 47,724,601.68/x
  3. Step 3: Cross multiply
    82,537,179.12x = 113,892,263.64 × 47,724,601.68
  4. Step 4: Simplify right side
    82,537,179.12x = 5,435,462,916,652,547
  5. Step 5: Solve for x
    x = 5,435,462,916,652,547/82,537,179.12
  6. Step 6: Final answer
    x = 65,854,721.16

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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.