Home / 74,644,442.10-111,966,663.15-42,359,401.35

Finding the Fourth Proportional to 74,644,442.10, 111,966,663.15 and 42,359,401.35

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Solution

The fourth proportional to 74,644,442.10, 111,966,663.15 and 42,359,401.35 is: 63,539,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,644,442.10 : 111,966,663.15 = 42,359,401.35 : x
  2. Step 2: Convert to fraction form
    74,644,442.10/111,966,663.15 = 42,359,401.35/x
  3. Step 3: Cross multiply
    74,644,442.10x = 111,966,663.15 × 42,359,401.35
  4. Step 4: Simplify right side
    74,644,442.10x = 4,742,840,822,191,106
  5. Step 5: Solve for x
    x = 4,742,840,822,191,106/74,644,442.10
  6. Step 6: Final answer
    x = 63,539,102.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.