Home / 105,762,942.54-145,851,429.51-68,047,612.74

Finding the Fourth Proportional to 105,762,942.54, 145,851,429.51 and 68,047,612.74

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Solution

The fourth proportional to 105,762,942.54, 145,851,429.51 and 68,047,612.74 is: 93,840,445.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,762,942.54 : 145,851,429.51 = 68,047,612.74 : x
  2. Step 2: Convert to fraction form
    105,762,942.54/145,851,429.51 = 68,047,612.74/x
  3. Step 3: Cross multiply
    105,762,942.54x = 145,851,429.51 × 68,047,612.74
  4. Step 4: Simplify right side
    105,762,942.54x = 9,924,841,592,871,886
  5. Step 5: Solve for x
    x = 9,924,841,592,871,886/105,762,942.54
  6. Step 6: Final answer
    x = 93,840,445.00

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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.