Home / 90,884,007.60-136,326,011.40-52,525,777.20

Finding the Fourth Proportional to 90,884,007.60, 136,326,011.40 and 52,525,777.20

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Solution

The fourth proportional to 90,884,007.60, 136,326,011.40 and 52,525,777.20 is: 78,788,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,884,007.60 : 136,326,011.40 = 52,525,777.20 : x
  2. Step 2: Convert to fraction form
    90,884,007.60/136,326,011.40 = 52,525,777.20/x
  3. Step 3: Cross multiply
    90,884,007.60x = 136,326,011.40 × 52,525,777.20
  4. Step 4: Simplify right side
    90,884,007.60x = 7,160,629,701,361,061
  5. Step 5: Solve for x
    x = 7,160,629,701,361,061/90,884,007.60
  6. Step 6: Final answer
    x = 78,788,665.80

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1.5x scale

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.