Home / 220,466,683.17-304,089,125.40-145,088,995.10

Finding the Fourth Proportional to 220,466,683.17, 304,089,125.40 and 145,088,995.10

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Solution

The fourth proportional to 220,466,683.17, 304,089,125.40 and 145,088,995.10 is: 200,120,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,466,683.17 : 304,089,125.40 = 145,088,995.10 : x
  2. Step 2: Convert to fraction form
    220,466,683.17/304,089,125.40 = 145,088,995.10/x
  3. Step 3: Cross multiply
    220,466,683.17x = 304,089,125.40 × 145,088,995.10
  4. Step 4: Simplify right side
    220,466,683.17x = 44,119,985,623,603,440
  5. Step 5: Solve for x
    x = 44,119,985,623,603,440/220,466,683.17
  6. Step 6: Final answer
    x = 200,120,875.36

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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.