Home / 119,361,762.18-164,719,239.40-66,437,330.51

Finding the Fourth Proportional to 119,361,762.18, 164,719,239.40 and 66,437,330.51

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Solution

The fourth proportional to 119,361,762.18, 164,719,239.40 and 66,437,330.51 is: 91,683,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,361,762.18 : 164,719,239.40 = 66,437,330.51 : x
  2. Step 2: Convert to fraction form
    119,361,762.18/164,719,239.40 = 66,437,330.51/x
  3. Step 3: Cross multiply
    119,361,762.18x = 164,719,239.40 × 66,437,330.51
  4. Step 4: Simplify right side
    119,361,762.18x = 10,943,506,549,373,614
  5. Step 5: Solve for x
    x = 10,943,506,549,373,614/119,361,762.18
  6. Step 6: Final answer
    x = 91,683,520.33

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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.