Home / 82,944,729.60-124,417,094.40-75,386,457.60

Finding the Fourth Proportional to 82,944,729.60, 124,417,094.40 and 75,386,457.60

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Solution

The fourth proportional to 82,944,729.60, 124,417,094.40 and 75,386,457.60 is: 113,079,686.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,729.60 : 124,417,094.40 = 75,386,457.60 : x
  2. Step 2: Convert to fraction form
    82,944,729.60/124,417,094.40 = 75,386,457.60/x
  3. Step 3: Cross multiply
    82,944,729.60x = 124,417,094.40 × 75,386,457.60
  4. Step 4: Simplify right side
    82,944,729.60x = 9,379,364,011,700,798
  5. Step 5: Solve for x
    x = 9,379,364,011,700,798/82,944,729.60
  6. Step 6: Final answer
    x = 113,079,686.40

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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.