Home / 139,773,708.50-192,878,889.63-77,046,349.46

Finding the Fourth Proportional to 139,773,708.50, 192,878,889.63 and 77,046,349.46

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Solution

The fourth proportional to 139,773,708.50, 192,878,889.63 and 77,046,349.46 is: 106,319,096.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,773,708.50 : 192,878,889.63 = 77,046,349.46 : x
  2. Step 2: Convert to fraction form
    139,773,708.50/192,878,889.63 = 77,046,349.46/x
  3. Step 3: Cross multiply
    139,773,708.50x = 192,878,889.63 × 77,046,349.46
  4. Step 4: Simplify right side
    139,773,708.50x = 14,860,614,333,889,748
  5. Step 5: Solve for x
    x = 14,860,614,333,889,748/139,773,708.50
  6. Step 6: Final answer
    x = 106,319,096.01

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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.