Home / 51,249,681.32-76,893,789.02-30,512,085.43

Finding the Fourth Proportional to 51,249,681.32, 76,893,789.02 and 30,512,085.43

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Solution

The fourth proportional to 51,249,681.32, 76,893,789.02 and 30,512,085.43 is: 45,779,599.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,249,681.32 : 76,893,789.02 = 30,512,085.43 : x
  2. Step 2: Convert to fraction form
    51,249,681.32/76,893,789.02 = 30,512,085.43/x
  3. Step 3: Cross multiply
    51,249,681.32x = 76,893,789.02 × 30,512,085.43
  4. Step 4: Simplify right side
    51,249,681.32x = 2,346,189,859,585,647.50
  5. Step 5: Solve for x
    x = 2,346,189,859,585,647.50/51,249,681.32
  6. Step 6: Final answer
    x = 45,779,599.00

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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.