Home / 77,697,869.41-107,223,316.68-42,890,477.14

Finding the Fourth Proportional to 77,697,869.41, 107,223,316.68 and 42,890,477.14

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Solution

The fourth proportional to 77,697,869.41, 107,223,316.68 and 42,890,477.14 is: 59,189,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,697,869.41 : 107,223,316.68 = 42,890,477.14 : x
  2. Step 2: Convert to fraction form
    77,697,869.41/107,223,316.68 = 42,890,477.14/x
  3. Step 3: Cross multiply
    77,697,869.41x = 107,223,316.68 × 42,890,477.14
  4. Step 4: Simplify right side
    77,697,869.41x = 4,598,859,212,938,521
  5. Step 5: Solve for x
    x = 4,598,859,212,938,521/77,697,869.41
  6. Step 6: Final answer
    x = 59,189,000.26

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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.