Home / 77,461,663-106,897,094.70-42,654,270.52

Finding the Fourth Proportional to 77,461,663, 106,897,094.70 and 42,654,270.52

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Solution

The fourth proportional to 77,461,663, 106,897,094.70 and 42,654,270.52 is: 58,862,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,461,663 : 106,897,094.70 = 42,654,270.52 : x
  2. Step 2: Convert to fraction form
    77,461,663/106,897,094.70 = 42,654,270.52/x
  3. Step 3: Cross multiply
    77,461,663x = 106,897,094.70 × 42,654,270.52
  4. Step 4: Simplify right side
    77,461,663x = 4,559,617,595,135,859
  5. Step 5: Solve for x
    x = 4,559,617,595,135,859/77,461,663
  6. Step 6: Final answer
    x = 58,862,893.19

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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.