Home / 127,461,413.80-191,191,829.10-54,630,970.12

Finding the Fourth Proportional to 127,461,413.80, 191,191,829.10 and 54,630,970.12

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Solution

The fourth proportional to 127,461,413.80, 191,191,829.10 and 54,630,970.12 is: 81,946,330.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,461,413.80 : 191,191,829.10 = 54,630,970.12 : x
  2. Step 2: Convert to fraction form
    127,461,413.80/191,191,829.10 = 54,630,970.12/x
  3. Step 3: Cross multiply
    127,461,413.80x = 191,191,829.10 × 54,630,970.12
  4. Step 4: Simplify right side
    127,461,413.80x = 10,444,995,102,750,246
  5. Step 5: Solve for x
    x = 10,444,995,102,750,246/127,461,413.80
  6. Step 6: Final answer
    x = 81,946,330.20

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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.