Home / 127,539,875.76-191,341,856.52-36,663,630

Finding the Fourth Proportional to 127,539,875.76, 191,341,856.52 and 36,663,630

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Solution

The fourth proportional to 127,539,875.76, 191,341,856.52 and 36,663,630 is: 55,004,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,539,875.76 : 191,341,856.52 = 36,663,630 : x
  2. Step 2: Convert to fraction form
    127,539,875.76/191,341,856.52 = 36,663,630/x
  3. Step 3: Cross multiply
    127,539,875.76x = 191,341,856.52 × 36,663,630
  4. Step 4: Simplify right side
    127,539,875.76x = 7,015,287,030,962,368
  5. Step 5: Solve for x
    x = 7,015,287,030,962,368/127,539,875.76
  6. Step 6: Final answer
    x = 55,004,656.30

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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.