Home / 140,460,968.23-210,461,419.73-74,812,430.86

Finding the Fourth Proportional to 140,460,968.23, 210,461,419.73 and 74,812,430.86

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Solution

The fourth proportional to 140,460,968.23, 210,461,419.73 and 74,812,430.86 is: 112,096,126.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,460,968.23 : 210,461,419.73 = 74,812,430.86 : x
  2. Step 2: Convert to fraction form
    140,460,968.23/210,461,419.73 = 74,812,430.86/x
  3. Step 3: Cross multiply
    140,460,968.23x = 210,461,419.73 × 74,812,430.86
  4. Step 4: Simplify right side
    140,460,968.23x = 15,745,130,411,908,942
  5. Step 5: Solve for x
    x = 15,745,130,411,908,942/140,460,968.23
  6. Step 6: Final answer
    x = 112,096,126.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.