Home / 113,509,818.96-156,643,548.70-61,298,853.34

Finding the Fourth Proportional to 113,509,818.96, 156,643,548.70 and 61,298,853.34

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Solution

The fourth proportional to 113,509,818.96, 156,643,548.70 and 61,298,853.34 is: 84,592,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,509,818.96 : 156,643,548.70 = 61,298,853.34 : x
  2. Step 2: Convert to fraction form
    113,509,818.96/156,643,548.70 = 61,298,853.34/x
  3. Step 3: Cross multiply
    113,509,818.96x = 156,643,548.70 × 61,298,853.34
  4. Step 4: Simplify right side
    113,509,818.96x = 9,602,069,918,418,448
  5. Step 5: Solve for x
    x = 9,602,069,918,418,448/113,509,818.96
  6. Step 6: Final answer
    x = 84,592,416.82

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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.