Home / 81,670,928.80-112,710,902.16-45,001,490.08

Finding the Fourth Proportional to 81,670,928.80, 112,710,902.16 and 45,001,490.08

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Solution

The fourth proportional to 81,670,928.80, 112,710,902.16 and 45,001,490.08 is: 62,104,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,670,928.80 : 112,710,902.16 = 45,001,490.08 : x
  2. Step 2: Convert to fraction form
    81,670,928.80/112,710,902.16 = 45,001,490.08/x
  3. Step 3: Cross multiply
    81,670,928.80x = 112,710,902.16 × 45,001,490.08
  4. Step 4: Simplify right side
    81,670,928.80x = 5,072,158,545,461,090
  5. Step 5: Solve for x
    x = 5,072,158,545,461,090/81,670,928.80
  6. Step 6: Final answer
    x = 62,104,822.61

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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.