Home / 97,020,609.60-145,551,909.60-28,870,190.40

Finding the Fourth Proportional to 97,020,609.60, 145,551,909.60 and 28,870,190.40

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Solution

The fourth proportional to 97,020,609.60, 145,551,909.60 and 28,870,190.40 is: 43,311,533.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,020,609.60 : 145,551,909.60 = 28,870,190.40 : x
  2. Step 2: Convert to fraction form
    97,020,609.60/145,551,909.60 = 28,870,190.40/x
  3. Step 3: Cross multiply
    97,020,609.60x = 145,551,909.60 × 28,870,190.40
  4. Step 4: Simplify right side
    97,020,609.60x = 4,202,111,343,235,587.50
  5. Step 5: Solve for x
    x = 4,202,111,343,235,587.50/97,020,609.60
  6. Step 6: Final answer
    x = 43,311,533.09

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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.