Home / 112,683,014.80-169,035,938.34-38,897,177.74

Finding the Fourth Proportional to 112,683,014.80, 169,035,938.34 and 38,897,177.74

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Solution

The fourth proportional to 112,683,014.80, 169,035,938.34 and 38,897,177.74 is: 58,349,707.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,683,014.80 : 169,035,938.34 = 38,897,177.74 : x
  2. Step 2: Convert to fraction form
    112,683,014.80/169,035,938.34 = 38,897,177.74/x
  3. Step 3: Cross multiply
    112,683,014.80x = 169,035,938.34 × 38,897,177.74
  4. Step 4: Simplify right side
    112,683,014.80x = 6,575,020,938,058,661
  5. Step 5: Solve for x
    x = 6,575,020,938,058,661/112,683,014.80
  6. Step 6: Final answer
    x = 58,349,707.36

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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.