Home / 163,679,969.10-245,519,953.65-66,585,698.40

Finding the Fourth Proportional to 163,679,969.10, 245,519,953.65 and 66,585,698.40

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Solution

The fourth proportional to 163,679,969.10, 245,519,953.65 and 66,585,698.40 is: 99,878,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,679,969.10 : 245,519,953.65 = 66,585,698.40 : x
  2. Step 2: Convert to fraction form
    163,679,969.10/245,519,953.65 = 66,585,698.40/x
  3. Step 3: Cross multiply
    163,679,969.10x = 245,519,953.65 × 66,585,698.40
  4. Step 4: Simplify right side
    163,679,969.10x = 16,348,117,584,920,880
  5. Step 5: Solve for x
    x = 16,348,117,584,920,880/163,679,969.10
  6. Step 6: Final answer
    x = 99,878,547.60

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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.