Home / 113,509,805.20-156,643,529.75-61,298,836.26

Finding the Fourth Proportional to 113,509,805.20, 156,643,529.75 and 61,298,836.26

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Solution

The fourth proportional to 113,509,805.20, 156,643,529.75 and 61,298,836.26 is: 84,592,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,805.20 : 156,643,529.75 = 61,298,836.26 : x
  2. Step 2: Convert to fraction form
    113,509,805.20/156,643,529.75 = 61,298,836.26/x
  3. Step 3: Cross multiply
    113,509,805.20x = 156,643,529.75 × 61,298,836.26
  4. Step 4: Simplify right side
    113,509,805.20x = 9,602,066,081,333,688
  5. Step 5: Solve for x
    x = 9,602,066,081,333,688/113,509,805.20
  6. Step 6: Final answer
    x = 84,592,393.27

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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.