Home / 125,626,428.60-188,445,547.80-39,367,649.40

Finding the Fourth Proportional to 125,626,428.60, 188,445,547.80 and 39,367,649.40

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Solution

The fourth proportional to 125,626,428.60, 188,445,547.80 and 39,367,649.40 is: 59,053,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,626,428.60 : 188,445,547.80 = 39,367,649.40 : x
  2. Step 2: Convert to fraction form
    125,626,428.60/188,445,547.80 = 39,367,649.40/x
  3. Step 3: Cross multiply
    125,626,428.60x = 188,445,547.80 × 39,367,649.40
  4. Step 4: Simplify right side
    125,626,428.60x = 7,418,658,256,781,342
  5. Step 5: Solve for x
    x = 7,418,658,256,781,342/125,626,428.60
  6. Step 6: Final answer
    x = 59,053,324.52

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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.