Home / 125,653,742.16-188,482,946.04-39,390,219.60

Finding the Fourth Proportional to 125,653,742.16, 188,482,946.04 and 39,390,219.60

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Solution

The fourth proportional to 125,653,742.16, 188,482,946.04 and 39,390,219.60 is: 59,086,060.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,653,742.16 : 188,482,946.04 = 39,390,219.60 : x
  2. Step 2: Convert to fraction form
    125,653,742.16/188,482,946.04 = 39,390,219.60/x
  3. Step 3: Cross multiply
    125,653,742.16x = 188,482,946.04 × 39,390,219.60
  4. Step 4: Simplify right side
    125,653,742.16x = 7,424,384,635,370,550
  5. Step 5: Solve for x
    x = 7,424,384,635,370,550/125,653,742.16
  6. Step 6: Final answer
    x = 59,086,060.69

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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.