Home / 142,061,695.68-196,045,730.64-76,871,599.68

Finding the Fourth Proportional to 142,061,695.68, 196,045,730.64 and 76,871,599.68

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Solution

The fourth proportional to 142,061,695.68, 196,045,730.64 and 76,871,599.68 is: 106,083,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,061,695.68 : 196,045,730.64 = 76,871,599.68 : x
  2. Step 2: Convert to fraction form
    142,061,695.68/196,045,730.64 = 76,871,599.68/x
  3. Step 3: Cross multiply
    142,061,695.68x = 196,045,730.64 × 76,871,599.68
  4. Step 4: Simplify right side
    142,061,695.68x = 15,070,348,924,731,190
  5. Step 5: Solve for x
    x = 15,070,348,924,731,190/142,061,695.68
  6. Step 6: Final answer
    x = 106,083,127.14

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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.