Home / 423,291,685.20-634,937,527.80-112,398,700.20

Finding the Fourth Proportional to 423,291,685.20, 634,937,527.80 and 112,398,700.20

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Solution

The fourth proportional to 423,291,685.20, 634,937,527.80 and 112,398,700.20 is: 168,598,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,291,685.20 : 634,937,527.80 = 112,398,700.20 : x
  2. Step 2: Convert to fraction form
    423,291,685.20/634,937,527.80 = 112,398,700.20/x
  3. Step 3: Cross multiply
    423,291,685.20x = 634,937,527.80 × 112,398,700.20
  4. Step 4: Simplify right side
    423,291,685.20x = 71,366,152,832,921,360
  5. Step 5: Solve for x
    x = 71,366,152,832,921,360/423,291,685.20
  6. Step 6: Final answer
    x = 168,598,050.30

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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.