Home / 77,033,148.48-106,243,756.56-67,720,808.16

Finding the Fourth Proportional to 77,033,148.48, 106,243,756.56 and 67,720,808.16

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Solution

The fourth proportional to 77,033,148.48, 106,243,756.56 and 67,720,808.16 is: 93,400,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,033,148.48 : 106,243,756.56 = 67,720,808.16 : x
  2. Step 2: Convert to fraction form
    77,033,148.48/106,243,756.56 = 67,720,808.16/x
  3. Step 3: Cross multiply
    77,033,148.48x = 106,243,756.56 × 67,720,808.16
  4. Step 4: Simplify right side
    77,033,148.48x = 7,194,913,056,197,501
  5. Step 5: Solve for x
    x = 7,194,913,056,197,501/77,033,148.48
  6. Step 6: Final answer
    x = 93,400,220.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.