Home / 92,539,972.80-127,705,174.56-51,289,528.32

Finding the Fourth Proportional to 92,539,972.80, 127,705,174.56 and 51,289,528.32

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Solution

The fourth proportional to 92,539,972.80, 127,705,174.56 and 51,289,528.32 is: 70,779,555.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,539,972.80 : 127,705,174.56 = 51,289,528.32 : x
  2. Step 2: Convert to fraction form
    92,539,972.80/127,705,174.56 = 51,289,528.32/x
  3. Step 3: Cross multiply
    92,539,972.80x = 127,705,174.56 × 51,289,528.32
  4. Step 4: Simplify right side
    92,539,972.80x = 6,549,938,167,205,664
  5. Step 5: Solve for x
    x = 6,549,938,167,205,664/92,539,972.80
  6. Step 6: Final answer
    x = 70,779,555.79

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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.