Home / 209,952,681.40-314,929,022.10-166,587,095.80

Finding the Fourth Proportional to 209,952,681.40, 314,929,022.10 and 166,587,095.80

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Solution

The fourth proportional to 209,952,681.40, 314,929,022.10 and 166,587,095.80 is: 249,880,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,681.40 : 314,929,022.10 = 166,587,095.80 : x
  2. Step 2: Convert to fraction form
    209,952,681.40/314,929,022.10 = 166,587,095.80/x
  3. Step 3: Cross multiply
    209,952,681.40x = 314,929,022.10 × 166,587,095.80
  4. Step 4: Simplify right side
    209,952,681.40x = 52,463,111,174,773,024
  5. Step 5: Solve for x
    x = 52,463,111,174,773,024/209,952,681.40
  6. Step 6: Final answer
    x = 249,880,643.70

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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.