Home / 345,281,315.60-517,921,973.40-89,979,683.60

Finding the Fourth Proportional to 345,281,315.60, 517,921,973.40 and 89,979,683.60

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Solution

The fourth proportional to 345,281,315.60, 517,921,973.40 and 89,979,683.60 is: 134,969,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,281,315.60 : 517,921,973.40 = 89,979,683.60 : x
  2. Step 2: Convert to fraction form
    345,281,315.60/517,921,973.40 = 89,979,683.60/x
  3. Step 3: Cross multiply
    345,281,315.60x = 517,921,973.40 × 89,979,683.60
  4. Step 4: Simplify right side
    345,281,315.60x = 46,602,455,296,019,608
  5. Step 5: Solve for x
    x = 46,602,455,296,019,608/345,281,315.60
  6. Step 6: Final answer
    x = 134,969,525.40

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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.