Home / 139,461,271.76-192,018,474.29-118,509,111.92

Finding the Fourth Proportional to 139,461,271.76, 192,018,474.29 and 118,509,111.92

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Solution

The fourth proportional to 139,461,271.76, 192,018,474.29 and 118,509,111.92 is: 163,170,309.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,461,271.76 : 192,018,474.29 = 118,509,111.92 : x
  2. Step 2: Convert to fraction form
    139,461,271.76/192,018,474.29 = 118,509,111.92/x
  3. Step 3: Cross multiply
    139,461,271.76x = 192,018,474.29 × 118,509,111.92
  4. Step 4: Simplify right side
    139,461,271.76x = 22,755,938,860,341,252
  5. Step 5: Solve for x
    x = 22,755,938,860,341,252/139,461,271.76
  6. Step 6: Final answer
    x = 163,170,309.39

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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.