Home / 91,897,085.40-137,663,669.70-59,571,475.80

Finding the Fourth Proportional to 91,897,085.40, 137,663,669.70 and 59,571,475.80

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Solution

The fourth proportional to 91,897,085.40, 137,663,669.70 and 59,571,475.80 is: 89,239,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,897,085.40 : 137,663,669.70 = 59,571,475.80 : x
  2. Step 2: Convert to fraction form
    91,897,085.40/137,663,669.70 = 59,571,475.80/x
  3. Step 3: Cross multiply
    91,897,085.40x = 137,663,669.70 × 59,571,475.80
  4. Step 4: Simplify right side
    91,897,085.40x = 8,200,827,968,072,742
  5. Step 5: Solve for x
    x = 8,200,827,968,072,742/91,897,085.40
  6. Step 6: Final answer
    x = 89,239,260.77

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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.