Home / 93,012,893.76-128,356,774.74-51,196,065

Finding the Fourth Proportional to 93,012,893.76, 128,356,774.74 and 51,196,065

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Solution

The fourth proportional to 93,012,893.76, 128,356,774.74 and 51,196,065 is: 70,650,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,012,893.76 : 128,356,774.74 = 51,196,065 : x
  2. Step 2: Convert to fraction form
    93,012,893.76/128,356,774.74 = 51,196,065/x
  3. Step 3: Cross multiply
    93,012,893.76x = 128,356,774.74 × 51,196,065
  4. Step 4: Simplify right side
    93,012,893.76x = 6,571,361,782,779,398
  5. Step 5: Solve for x
    x = 6,571,361,782,779,398/93,012,893.76
  6. Step 6: Final answer
    x = 70,650,009.02

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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.