Home / 125,127,413.25-187,559,733.90-42,100,342.89

Finding the Fourth Proportional to 125,127,413.25, 187,559,733.90 and 42,100,342.89

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Solution

The fourth proportional to 125,127,413.25, 187,559,733.90 and 42,100,342.89 is: 63,106,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,127,413.25 : 187,559,733.90 = 42,100,342.89 : x
  2. Step 2: Convert to fraction form
    125,127,413.25/187,559,733.90 = 42,100,342.89/x
  3. Step 3: Cross multiply
    125,127,413.25x = 187,559,733.90 × 42,100,342.89
  4. Step 4: Simplify right side
    125,127,413.25x = 7,896,329,109,547,157
  5. Step 5: Solve for x
    x = 7,896,329,109,547,157/125,127,413.25
  6. Step 6: Final answer
    x = 63,106,308.24

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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.