Home / 77,461,660-106,897,090.56-42,654,267.52

Finding the Fourth Proportional to 77,461,660, 106,897,090.56 and 42,654,267.52

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Solution

The fourth proportional to 77,461,660, 106,897,090.56 and 42,654,267.52 is: 58,862,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,461,660 : 106,897,090.56 = 42,654,267.52 : x
  2. Step 2: Convert to fraction form
    77,461,660/106,897,090.56 = 42,654,267.52/x
  3. Step 3: Cross multiply
    77,461,660x = 106,897,090.56 × 42,654,267.52
  4. Step 4: Simplify right side
    77,461,660x = 4,559,617,097,855,907
  5. Step 5: Solve for x
    x = 4,559,617,097,855,907/77,461,660
  6. Step 6: Final answer
    x = 58,862,889.05

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1.5x scale

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.