Home / 127,365,643.81-175,762,274.28-70,850,113.82

Finding the Fourth Proportional to 127,365,643.81, 175,762,274.28 and 70,850,113.82

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Solution

The fourth proportional to 127,365,643.81, 175,762,274.28 and 70,850,113.82 is: 97,771,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,365,643.81 : 175,762,274.28 = 70,850,113.82 : x
  2. Step 2: Convert to fraction form
    127,365,643.81/175,762,274.28 = 70,850,113.82/x
  3. Step 3: Cross multiply
    127,365,643.81x = 175,762,274.28 × 70,850,113.82
  4. Step 4: Simplify right side
    127,365,643.81x = 12,452,777,138,000,058
  5. Step 5: Solve for x
    x = 12,452,777,138,000,058/127,365,643.81
  6. Step 6: Final answer
    x = 97,771,869.76

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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.