Home / 91,056,973.48-136,565,890.74-28,813,220.32

Finding the Fourth Proportional to 91,056,973.48, 136,565,890.74 and 28,813,220.32

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Solution

The fourth proportional to 91,056,973.48, 136,565,890.74 and 28,813,220.32 is: 43,213,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,056,973.48 : 136,565,890.74 = 28,813,220.32 : x
  2. Step 2: Convert to fraction form
    91,056,973.48/136,565,890.74 = 28,813,220.32/x
  3. Step 3: Cross multiply
    91,056,973.48x = 136,565,890.74 × 28,813,220.32
  4. Step 4: Simplify right side
    91,056,973.48x = 3,934,903,098,088,668
  5. Step 5: Solve for x
    x = 3,934,903,098,088,668/91,056,973.48
  6. Step 6: Final answer
    x = 43,213,638.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.