Home / 157,280,406.40-235,920,609.60-105,884,156.80

Finding the Fourth Proportional to 157,280,406.40, 235,920,609.60 and 105,884,156.80

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Solution

The fourth proportional to 157,280,406.40, 235,920,609.60 and 105,884,156.80 is: 158,826,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,280,406.40 : 235,920,609.60 = 105,884,156.80 : x
  2. Step 2: Convert to fraction form
    157,280,406.40/235,920,609.60 = 105,884,156.80/x
  3. Step 3: Cross multiply
    157,280,406.40x = 235,920,609.60 × 105,884,156.80
  4. Step 4: Simplify right side
    157,280,406.40x = 24,980,254,819,237,984
  5. Step 5: Solve for x
    x = 24,980,254,819,237,984/157,280,406.40
  6. Step 6: Final answer
    x = 158,826,235.20

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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.