Home / 77,309,133-106,683,885.18-42,501,570

Finding the Fourth Proportional to 77,309,133, 106,683,885.18 and 42,501,570

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Solution

The fourth proportional to 77,309,133, 106,683,885.18 and 42,501,570 is: 58,650,672.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,309,133 : 106,683,885.18 = 42,501,570 : x
  2. Step 2: Convert to fraction form
    77,309,133/106,683,885.18 = 42,501,570/x
  3. Step 3: Cross multiply
    77,309,133x = 106,683,885.18 × 42,501,570
  4. Step 4: Simplify right side
    77,309,133x = 4,534,232,613,849,733
  5. Step 5: Solve for x
    x = 4,534,232,613,849,733/77,309,133
  6. Step 6: Final answer
    x = 58,650,672.15

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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.