Home / 113,546,355.21-156,693,849.93-61,335,382.50

Finding the Fourth Proportional to 113,546,355.21, 156,693,849.93 and 61,335,382.50

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Solution

The fourth proportional to 113,546,355.21, 156,693,849.93 and 61,335,382.50 is: 84,642,762.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,546,355.21 : 156,693,849.93 = 61,335,382.50 : x
  2. Step 2: Convert to fraction form
    113,546,355.21/156,693,849.93 = 61,335,382.50/x
  3. Step 3: Cross multiply
    113,546,355.21x = 156,693,849.93 × 61,335,382.50
  4. Step 4: Simplify right side
    113,546,355.21x = 9,610,877,220,854,148
  5. Step 5: Solve for x
    x = 9,610,877,220,854,148/113,546,355.21
  6. Step 6: Final answer
    x = 84,642,762.89

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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.