Home / 74,658,421.40-111,987,632.10-61,903,837.40

Finding the Fourth Proportional to 74,658,421.40, 111,987,632.10 and 61,903,837.40

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Solution

The fourth proportional to 74,658,421.40, 111,987,632.10 and 61,903,837.40 is: 92,855,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,658,421.40 : 111,987,632.10 = 61,903,837.40 : x
  2. Step 2: Convert to fraction form
    74,658,421.40/111,987,632.10 = 61,903,837.40/x
  3. Step 3: Cross multiply
    74,658,421.40x = 111,987,632.10 × 61,903,837.40
  4. Step 4: Simplify right side
    74,658,421.40x = 6,932,464,168,329,420
  5. Step 5: Solve for x
    x = 6,932,464,168,329,420/74,658,421.40
  6. Step 6: Final answer
    x = 92,855,756.10

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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.