Home / 142,382,044,533.02-196,487,416,030.41-77,276,472,829.03

Finding the Fourth Proportional to 142,382,044,533.02, 196,487,416,030.41 and 77,276,472,829.03

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Solution

The fourth proportional to 142,382,044,533.02, 196,487,416,030.41 and 77,276,472,829.03 is: 106,641,638,107.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,382,044,533.02 : 196,487,416,030.41 = 77,276,472,829.03 : x
  2. Step 2: Convert to fraction form
    142,382,044,533.02/196,487,416,030.41 = 77,276,472,829.03/x
  3. Step 3: Cross multiply
    142,382,044,533.02x = 196,487,416,030.41 × 77,276,472,829.03
  4. Step 4: Simplify right side
    142,382,044,533.02x = 15,183,854,466,119,308,935,168
  5. Step 5: Solve for x
    x = 15,183,854,466,119,308,935,168/142,382,044,533.02
  6. Step 6: Final answer
    x = 106,641,638,107.66

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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.