Home / 155,145,927,349.29-214,106,662,439.52-90,035,313,554.52

Finding the Fourth Proportional to 155,145,927,349.29, 214,106,662,439.52 and 90,035,313,554.52

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Solution

The fourth proportional to 155,145,927,349.29, 214,106,662,439.52 and 90,035,313,554.52 is: 124,251,798,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145,927,349.29 : 214,106,662,439.52 = 90,035,313,554.52 : x
  2. Step 2: Convert to fraction form
    155,145,927,349.29/214,106,662,439.52 = 90,035,313,554.52/x
  3. Step 3: Cross multiply
    155,145,927,349.29x = 214,106,662,439.52 × 90,035,313,554.52
  4. Step 4: Simplify right side
    155,145,927,349.29x = 19,277,160,486,853,951,881,216
  5. Step 5: Solve for x
    x = 19,277,160,486,853,951,881,216/155,145,927,349.29
  6. Step 6: Final answer
    x = 124,251,798,395.29

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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.