Home / 77,002,357.56-106,263,223.02-42,663,541.56

Finding the Fourth Proportional to 77,002,357.56, 106,263,223.02 and 42,663,541.56

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Solution

The fourth proportional to 77,002,357.56, 106,263,223.02 and 42,663,541.56 is: 58,875,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,002,357.56 : 106,263,223.02 = 42,663,541.56 : x
  2. Step 2: Convert to fraction form
    77,002,357.56/106,263,223.02 = 42,663,541.56/x
  3. Step 3: Cross multiply
    77,002,357.56x = 106,263,223.02 × 42,663,541.56
  4. Step 4: Simplify right side
    77,002,357.56x = 4,533,565,431,613,319
  5. Step 5: Solve for x
    x = 4,533,565,431,613,319/77,002,357.56
  6. Step 6: Final answer
    x = 58,875,670.50

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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.