Home / 107,804,751.60-161,707,127.40-31,130,281.20

Finding the Fourth Proportional to 107,804,751.60, 161,707,127.40 and 31,130,281.20

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Solution

The fourth proportional to 107,804,751.60, 161,707,127.40 and 31,130,281.20 is: 46,695,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,804,751.60 : 161,707,127.40 = 31,130,281.20 : x
  2. Step 2: Convert to fraction form
    107,804,751.60/161,707,127.40 = 31,130,281.20/x
  3. Step 3: Cross multiply
    107,804,751.60x = 161,707,127.40 × 31,130,281.20
  4. Step 4: Simplify right side
    107,804,751.60x = 5,033,988,348,006,225
  5. Step 5: Solve for x
    x = 5,033,988,348,006,225/107,804,751.60
  6. Step 6: Final answer
    x = 46,695,421.80

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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.