Home / 91,534,415.70-137,301,623.55-48,386,946.90

Finding the Fourth Proportional to 91,534,415.70, 137,301,623.55 and 48,386,946.90

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Solution

The fourth proportional to 91,534,415.70, 137,301,623.55 and 48,386,946.90 is: 72,580,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,534,415.70 : 137,301,623.55 = 48,386,946.90 : x
  2. Step 2: Convert to fraction form
    91,534,415.70/137,301,623.55 = 48,386,946.90/x
  3. Step 3: Cross multiply
    91,534,415.70x = 137,301,623.55 × 48,386,946.90
  4. Step 4: Simplify right side
    91,534,415.70x = 6,643,606,367,997,640
  5. Step 5: Solve for x
    x = 6,643,606,367,997,640/91,534,415.70
  6. Step 6: Final answer
    x = 72,580,420.35

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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.