Home / 70,620,330.04-105,932,482.95-19,502,348.86

Finding the Fourth Proportional to 70,620,330.04, 105,932,482.95 and 19,502,348.86

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Solution

The fourth proportional to 70,620,330.04, 105,932,482.95 and 19,502,348.86 is: 29,254,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,620,330.04 : 105,932,482.95 = 19,502,348.86 : x
  2. Step 2: Convert to fraction form
    70,620,330.04/105,932,482.95 = 19,502,348.86/x
  3. Step 3: Cross multiply
    70,620,330.04x = 105,932,482.95 × 19,502,348.86
  4. Step 4: Simplify right side
    70,620,330.04x = 2,065,932,238,096,902
  5. Step 5: Solve for x
    x = 2,065,932,238,096,902/70,620,330.04
  6. Step 6: Final answer
    x = 29,254,072.26

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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.