Home / 73,518,904.12-101,455,254.18-40,478,478.52

Finding the Fourth Proportional to 73,518,904.12, 101,455,254.18 and 40,478,478.52

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Solution

The fourth proportional to 73,518,904.12, 101,455,254.18 and 40,478,478.52 is: 55,859,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,518,904.12 : 101,455,254.18 = 40,478,478.52 : x
  2. Step 2: Convert to fraction form
    73,518,904.12/101,455,254.18 = 40,478,478.52/x
  3. Step 3: Cross multiply
    73,518,904.12x = 101,455,254.18 × 40,478,478.52
  4. Step 4: Simplify right side
    73,518,904.12x = 4,106,754,327,066,271
  5. Step 5: Solve for x
    x = 4,106,754,327,066,271/73,518,904.12
  6. Step 6: Final answer
    x = 55,859,841.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.