Home / 113,918,953.54-157,208,910.66-61,707,989.16

Finding the Fourth Proportional to 113,918,953.54, 157,208,910.66 and 61,707,989.16

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Solution

The fourth proportional to 113,918,953.54, 157,208,910.66 and 61,707,989.16 is: 85,157,433.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,918,953.54 : 157,208,910.66 = 61,707,989.16 : x
  2. Step 2: Convert to fraction form
    113,918,953.54/157,208,910.66 = 61,707,989.16/x
  3. Step 3: Cross multiply
    113,918,953.54x = 157,208,910.66 × 61,707,989.16
  4. Step 4: Simplify right side
    113,918,953.54x = 9,701,045,754,862,688
  5. Step 5: Solve for x
    x = 9,701,045,754,862,688/113,918,953.54
  6. Step 6: Final answer
    x = 85,157,433.89

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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.