Home / 161,109,114.40-241,663,671.60-99,887,111.20

Finding the Fourth Proportional to 161,109,114.40, 241,663,671.60 and 99,887,111.20

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Solution

The fourth proportional to 161,109,114.40, 241,663,671.60 and 99,887,111.20 is: 149,830,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,109,114.40 : 241,663,671.60 = 99,887,111.20 : x
  2. Step 2: Convert to fraction form
    161,109,114.40/241,663,671.60 = 99,887,111.20/x
  3. Step 3: Cross multiply
    161,109,114.40x = 241,663,671.60 × 99,887,111.20
  4. Step 4: Simplify right side
    161,109,114.40x = 24,139,086,038,109,484
  5. Step 5: Solve for x
    x = 24,139,086,038,109,484/161,109,114.40
  6. Step 6: Final answer
    x = 149,830,666.80

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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.