Home / 113,509,629.45-156,643,287.08-61,298,663.58

Finding the Fourth Proportional to 113,509,629.45, 156,643,287.08 and 61,298,663.58

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Solution

The fourth proportional to 113,509,629.45, 156,643,287.08 and 61,298,663.58 is: 84,592,154.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,629.45 : 156,643,287.08 = 61,298,663.58 : x
  2. Step 2: Convert to fraction form
    113,509,629.45/156,643,287.08 = 61,298,663.58/x
  3. Step 3: Cross multiply
    113,509,629.45x = 156,643,287.08 × 61,298,663.58
  4. Step 4: Simplify right side
    113,509,629.45x = 9,602,024,156,475,786
  5. Step 5: Solve for x
    x = 9,602,024,156,475,786/113,509,629.45
  6. Step 6: Final answer
    x = 84,592,154.89

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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.