Home / 77,124,216.38-106,433,376.84-42,316,897.59

Finding the Fourth Proportional to 77,124,216.38, 106,433,376.84 and 42,316,897.59

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Solution

The fourth proportional to 77,124,216.38, 106,433,376.84 and 42,316,897.59 is: 58,398,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,124,216.38 : 106,433,376.84 = 42,316,897.59 : x
  2. Step 2: Convert to fraction form
    77,124,216.38/106,433,376.84 = 42,316,897.59/x
  3. Step 3: Cross multiply
    77,124,216.38x = 106,433,376.84 × 42,316,897.59
  4. Step 4: Simplify right side
    77,124,216.38x = 4,503,930,307,896,158
  5. Step 5: Solve for x
    x = 4,503,930,307,896,158/77,124,216.38
  6. Step 6: Final answer
    x = 58,398,393.13

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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.