Home / 91,073,088.07-125,681,026.89-49,819,980.46

Finding the Fourth Proportional to 91,073,088.07, 125,681,026.89 and 49,819,980.46

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Solution

The fourth proportional to 91,073,088.07, 125,681,026.89 and 49,819,980.46 is: 68,751,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,073,088.07 : 125,681,026.89 = 49,819,980.46 : x
  2. Step 2: Convert to fraction form
    91,073,088.07/125,681,026.89 = 49,819,980.46/x
  3. Step 3: Cross multiply
    91,073,088.07x = 125,681,026.89 × 49,819,980.46
  4. Step 4: Simplify right side
    91,073,088.07x = 6,261,426,303,852,535
  5. Step 5: Solve for x
    x = 6,261,426,303,852,535/91,073,088.07
  6. Step 6: Final answer
    x = 68,751,663.49

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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.