Home / 85,413,881.77-117,870,540.75-46,254,750.10

Finding the Fourth Proportional to 85,413,881.77, 117,870,540.75 and 46,254,750.10

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Solution

The fourth proportional to 85,413,881.77, 117,870,540.75 and 46,254,750.10 is: 63,831,221.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,413,881.77 : 117,870,540.75 = 46,254,750.10 : x
  2. Step 2: Convert to fraction form
    85,413,881.77/117,870,540.75 = 46,254,750.10/x
  3. Step 3: Cross multiply
    85,413,881.77x = 117,870,540.75 × 46,254,750.10
  4. Step 4: Simplify right side
    85,413,881.77x = 5,452,072,406,248,440
  5. Step 5: Solve for x
    x = 5,452,072,406,248,440/85,413,881.77
  6. Step 6: Final answer
    x = 63,831,221.50

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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.