Home / 105,762,938.04-145,851,423.30-68,047,608.24

Finding the Fourth Proportional to 105,762,938.04, 145,851,423.30 and 68,047,608.24

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Solution

The fourth proportional to 105,762,938.04, 145,851,423.30 and 68,047,608.24 is: 93,840,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,762,938.04 : 145,851,423.30 = 68,047,608.24 : x
  2. Step 2: Convert to fraction form
    105,762,938.04/145,851,423.30 = 68,047,608.24/x
  3. Step 3: Cross multiply
    105,762,938.04x = 145,851,423.30 × 68,047,608.24
  4. Step 4: Simplify right side
    105,762,938.04x = 9,924,840,513,964,808
  5. Step 5: Solve for x
    x = 9,924,840,513,964,808/105,762,938.04
  6. Step 6: Final answer
    x = 93,840,438.80

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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.