Home / 113,742,060.11-156,963,700.85-61,531,081.33

Finding the Fourth Proportional to 113,742,060.11, 156,963,700.85 and 61,531,081.33

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Solution

The fourth proportional to 113,742,060.11, 156,963,700.85 and 61,531,081.33 is: 84,912,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,742,060.11 : 156,963,700.85 = 61,531,081.33 : x
  2. Step 2: Convert to fraction form
    113,742,060.11/156,963,700.85 = 61,531,081.33/x
  3. Step 3: Cross multiply
    113,742,060.11x = 156,963,700.85 × 61,531,081.33
  4. Step 4: Simplify right side
    113,742,060.11x = 9,658,146,242,389,816
  5. Step 5: Solve for x
    x = 9,658,146,242,389,816/113,742,060.11
  6. Step 6: Final answer
    x = 84,912,707.16

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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.