Home / 124,013,476.80-186,020,215.20-97,110,129.60

Finding the Fourth Proportional to 124,013,476.80, 186,020,215.20 and 97,110,129.60

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Solution

The fourth proportional to 124,013,476.80, 186,020,215.20 and 97,110,129.60 is: 145,665,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,013,476.80 : 186,020,215.20 = 97,110,129.60 : x
  2. Step 2: Convert to fraction form
    124,013,476.80/186,020,215.20 = 97,110,129.60/x
  3. Step 3: Cross multiply
    124,013,476.80x = 186,020,215.20 × 97,110,129.60
  4. Step 4: Simplify right side
    124,013,476.80x = 18,064,447,206,291,888
  5. Step 5: Solve for x
    x = 18,064,447,206,291,888/124,013,476.80
  6. Step 6: Final answer
    x = 145,665,194.40

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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.