Home / 120,547,069,413.85-180,820,604,120.77-36,700,134,809.05

Finding the Fourth Proportional to 120,547,069,413.85, 180,820,604,120.77 and 36,700,134,809.05

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Solution

The fourth proportional to 120,547,069,413.85, 180,820,604,120.77 and 36,700,134,809.05 is: 55,050,202,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,547,069,413.85 : 180,820,604,120.77 = 36,700,134,809.05 : x
  2. Step 2: Convert to fraction form
    120,547,069,413.85/180,820,604,120.77 = 36,700,134,809.05/x
  3. Step 3: Cross multiply
    120,547,069,413.85x = 180,820,604,120.77 × 36,700,134,809.05
  4. Step 4: Simplify right side
    120,547,069,413.85x = 6,636,140,547,486,120,935,424
  5. Step 5: Solve for x
    x = 6,636,140,547,486,120,935,424/120,547,069,413.85
  6. Step 6: Final answer
    x = 55,050,202,213.57

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1.5x scale

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.