Home / 68,794,814.85-94,900,666.59-40,897,681.08

Finding the Fourth Proportional to 68,794,814.85, 94,900,666.59 and 40,897,681.08

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Solution

The fourth proportional to 68,794,814.85, 94,900,666.59 and 40,897,681.08 is: 56,417,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,794,814.85 : 94,900,666.59 = 40,897,681.08 : x
  2. Step 2: Convert to fraction form
    68,794,814.85/94,900,666.59 = 40,897,681.08/x
  3. Step 3: Cross multiply
    68,794,814.85x = 94,900,666.59 × 40,897,681.08
  4. Step 4: Simplify right side
    68,794,814.85x = 3,881,217,196,477,231
  5. Step 5: Solve for x
    x = 3,881,217,196,477,231/68,794,814.85
  6. Step 6: Final answer
    x = 56,417,292.57

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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.