Home / 108,904,501.80-163,356,752.70-70,357,314.60

Finding the Fourth Proportional to 108,904,501.80, 163,356,752.70 and 70,357,314.60

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Solution

The fourth proportional to 108,904,501.80, 163,356,752.70 and 70,357,314.60 is: 105,535,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,904,501.80 : 163,356,752.70 = 70,357,314.60 : x
  2. Step 2: Convert to fraction form
    108,904,501.80/163,356,752.70 = 70,357,314.60/x
  3. Step 3: Cross multiply
    108,904,501.80x = 163,356,752.70 × 70,357,314.60
  4. Step 4: Simplify right side
    108,904,501.80x = 11,493,342,441,748,298
  5. Step 5: Solve for x
    x = 11,493,342,441,748,298/108,904,501.80
  6. Step 6: Final answer
    x = 105,535,971.90

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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.