Home / 83,442,413.04-115,157,630.76-46,780,070.16

Finding the Fourth Proportional to 83,442,413.04, 115,157,630.76 and 46,780,070.16

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Solution

The fourth proportional to 83,442,413.04, 115,157,630.76 and 46,780,070.16 is: 64,560,477.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,442,413.04 : 115,157,630.76 = 46,780,070.16 : x
  2. Step 2: Convert to fraction form
    83,442,413.04/115,157,630.76 = 46,780,070.16/x
  3. Step 3: Cross multiply
    83,442,413.04x = 115,157,630.76 × 46,780,070.16
  4. Step 4: Simplify right side
    83,442,413.04x = 5,387,082,046,412,174
  5. Step 5: Solve for x
    x = 5,387,082,046,412,174/83,442,413.04
  6. Step 6: Final answer
    x = 64,560,477.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.