Home / 115,298,465.80-172,695,756.30-89,537,355.40

Finding the Fourth Proportional to 115,298,465.80, 172,695,756.30 and 89,537,355.40

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Solution

The fourth proportional to 115,298,465.80, 172,695,756.30 and 89,537,355.40 is: 134,110,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,298,465.80 : 172,695,756.30 = 89,537,355.40 : x
  2. Step 2: Convert to fraction form
    115,298,465.80/172,695,756.30 = 89,537,355.40/x
  3. Step 3: Cross multiply
    115,298,465.80x = 172,695,756.30 × 89,537,355.40
  4. Step 4: Simplify right side
    115,298,465.80x = 15,462,721,307,904,892
  5. Step 5: Solve for x
    x = 15,462,721,307,904,892/115,298,465.80
  6. Step 6: Final answer
    x = 134,110,382.13

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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.