Home / 92,779,788.61-128,028,641.52-53,624,101.46

Finding the Fourth Proportional to 92,779,788.61, 128,028,641.52 and 53,624,101.46

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Solution

The fourth proportional to 92,779,788.61, 128,028,641.52 and 53,624,101.46 is: 73,996,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,779,788.61 : 128,028,641.52 = 53,624,101.46 : x
  2. Step 2: Convert to fraction form
    92,779,788.61/128,028,641.52 = 53,624,101.46/x
  3. Step 3: Cross multiply
    92,779,788.61x = 128,028,641.52 × 53,624,101.46
  4. Step 4: Simplify right side
    92,779,788.61x = 6,865,420,862,654,449
  5. Step 5: Solve for x
    x = 6,865,420,862,654,449/92,779,788.61
  6. Step 6: Final answer
    x = 73,996,944.44

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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.