Home / 70,620,332.04-105,932,485.95-19,502,350.86

Finding the Fourth Proportional to 70,620,332.04, 105,932,485.95 and 19,502,350.86

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Solution

The fourth proportional to 70,620,332.04, 105,932,485.95 and 19,502,350.86 is: 29,254,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,620,332.04 : 105,932,485.95 = 19,502,350.86 : x
  2. Step 2: Convert to fraction form
    70,620,332.04/105,932,485.95 = 19,502,350.86/x
  3. Step 3: Cross multiply
    70,620,332.04x = 105,932,485.95 × 19,502,350.86
  4. Step 4: Simplify right side
    70,620,332.04x = 2,065,932,508,468,920.50
  5. Step 5: Solve for x
    x = 2,065,932,508,468,920.50/70,620,332.04
  6. Step 6: Final answer
    x = 29,254,075.26

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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.