Home / 115,910,837.60-173,866,256.40-103,817,602.40

Finding the Fourth Proportional to 115,910,837.60, 173,866,256.40 and 103,817,602.40

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Solution

The fourth proportional to 115,910,837.60, 173,866,256.40 and 103,817,602.40 is: 155,726,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,910,837.60 : 173,866,256.40 = 103,817,602.40 : x
  2. Step 2: Convert to fraction form
    115,910,837.60/173,866,256.40 = 103,817,602.40/x
  3. Step 3: Cross multiply
    115,910,837.60x = 173,866,256.40 × 103,817,602.40
  4. Step 4: Simplify right side
    115,910,837.60x = 18,050,377,877,711,656
  5. Step 5: Solve for x
    x = 18,050,377,877,711,656/115,910,837.60
  6. Step 6: Final answer
    x = 155,726,403.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.