Home / 105,356,859,415.31-145,388,572,784.93-57,183,868,359.07

Finding the Fourth Proportional to 105,356,859,415.31, 145,388,572,784.93 and 57,183,868,359.07

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Solution

The fourth proportional to 105,356,859,415.31, 145,388,572,784.93 and 57,183,868,359.07 is: 78,911,625,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,356,859,415.31 : 145,388,572,784.93 = 57,183,868,359.07 : x
  2. Step 2: Convert to fraction form
    105,356,859,415.31/145,388,572,784.93 = 57,183,868,359.07/x
  3. Step 3: Cross multiply
    105,356,859,415.31x = 145,388,572,784.93 × 57,183,868,359.07
  4. Step 4: Simplify right side
    105,356,859,415.31x = 8,313,881,007,045,923,045,376
  5. Step 5: Solve for x
    x = 8,313,881,007,045,923,045,376/105,356,859,415.31
  6. Step 6: Final answer
    x = 78,911,625,243.81

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1.5x scale

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.