Home / 145,390,818.40-218,205,200.40-144,257,077.60

Finding the Fourth Proportional to 145,390,818.40, 218,205,200.40 and 144,257,077.60

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Solution

The fourth proportional to 145,390,818.40, 218,205,200.40 and 144,257,077.60 is: 216,503,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,390,818.40 : 218,205,200.40 = 144,257,077.60 : x
  2. Step 2: Convert to fraction form
    145,390,818.40/218,205,200.40 = 144,257,077.60/x
  3. Step 3: Cross multiply
    145,390,818.40x = 218,205,200.40 × 144,257,077.60
  4. Step 4: Simplify right side
    145,390,818.40x = 31,477,644,526,826,352
  5. Step 5: Solve for x
    x = 31,477,644,526,826,352/145,390,818.40
  6. Step 6: Final answer
    x = 216,503,661.46

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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.