Home / 77,262,190.40-115,893,285.60-64,791,041.60

Finding the Fourth Proportional to 77,262,190.40, 115,893,285.60 and 64,791,041.60

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Solution

The fourth proportional to 77,262,190.40, 115,893,285.60 and 64,791,041.60 is: 97,186,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,190.40 : 115,893,285.60 = 64,791,041.60 : x
  2. Step 2: Convert to fraction form
    77,262,190.40/115,893,285.60 = 64,791,041.60/x
  3. Step 3: Cross multiply
    77,262,190.40x = 115,893,285.60 × 64,791,041.60
  4. Step 4: Simplify right side
    77,262,190.40x = 7,508,846,688,470,281
  5. Step 5: Solve for x
    x = 7,508,846,688,470,281/77,262,190.40
  6. Step 6: Final answer
    x = 97,186,562.40

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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.