Home / 142,382,044,574.38-196,487,416,087.27-77,276,472,870.18

Finding the Fourth Proportional to 142,382,044,574.38, 196,487,416,087.27 and 77,276,472,870.18

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Solution

The fourth proportional to 142,382,044,574.38, 196,487,416,087.27 and 77,276,472,870.18 is: 106,641,638,164.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,382,044,574.38 : 196,487,416,087.27 = 77,276,472,870.18 : x
  2. Step 2: Convert to fraction form
    142,382,044,574.38/196,487,416,087.27 = 77,276,472,870.18/x
  3. Step 3: Cross multiply
    142,382,044,574.38x = 196,487,416,087.27 × 77,276,472,870.18
  4. Step 4: Simplify right side
    142,382,044,574.38x = 15,183,854,478,599,686,979,584
  5. Step 5: Solve for x
    x = 15,183,854,478,599,686,979,584/142,382,044,574.38
  6. Step 6: Final answer
    x = 106,641,638,164.34

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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.