Home / 99,312,070.40-148,989,547.26-30,230,275.94

Finding the Fourth Proportional to 99,312,070.40, 148,989,547.26 and 30,230,275.94

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Solution

The fourth proportional to 99,312,070.40, 148,989,547.26 and 30,230,275.94 is: 45,351,940.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,312,070.40 : 148,989,547.26 = 30,230,275.94 : x
  2. Step 2: Convert to fraction form
    99,312,070.40/148,989,547.26 = 30,230,275.94/x
  3. Step 3: Cross multiply
    99,312,070.40x = 148,989,547.26 × 30,230,275.94
  4. Step 4: Simplify right side
    99,312,070.40x = 4,503,995,125,845,471
  5. Step 5: Solve for x
    x = 4,503,995,125,845,471/99,312,070.40
  6. Step 6: Final answer
    x = 45,351,940.68

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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.