Home / 77,995,854.40-116,962,288.80-26,851,547.20

Finding the Fourth Proportional to 77,995,854.40, 116,962,288.80 and 26,851,547.20

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Solution

The fourth proportional to 77,995,854.40, 116,962,288.80 and 26,851,547.20 is: 40,266,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,995,854.40 : 116,962,288.80 = 26,851,547.20 : x
  2. Step 2: Convert to fraction form
    77,995,854.40/116,962,288.80 = 26,851,547.20/x
  3. Step 3: Cross multiply
    77,995,854.40x = 116,962,288.80 × 26,851,547.20
  4. Step 4: Simplify right side
    77,995,854.40x = 3,140,618,418,333,231
  5. Step 5: Solve for x
    x = 3,140,618,418,333,231/77,995,854.40
  6. Step 6: Final answer
    x = 40,266,478.81

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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.