Home / 278,133,071.80-417,255,594.90-96,342,633.40

Finding the Fourth Proportional to 278,133,071.80, 417,255,594.90 and 96,342,633.40

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Solution

The fourth proportional to 278,133,071.80, 417,255,594.90 and 96,342,633.40 is: 144,533,343.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,133,071.80 : 417,255,594.90 = 96,342,633.40 : x
  2. Step 2: Convert to fraction form
    278,133,071.80/417,255,594.90 = 96,342,633.40/x
  3. Step 3: Cross multiply
    278,133,071.80x = 417,255,594.90 × 96,342,633.40
  4. Step 4: Simplify right side
    278,133,071.80x = 40,199,502,813,549,608
  5. Step 5: Solve for x
    x = 40,199,502,813,549,608/278,133,071.80
  6. Step 6: Final answer
    x = 144,533,343.53

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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.