Home / 89,249,124.04-133,272,681.05-72,886,867.42

Finding the Fourth Proportional to 89,249,124.04, 133,272,681.05 and 72,886,867.42

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Solution

The fourth proportional to 89,249,124.04, 133,272,681.05 and 72,886,867.42 is: 108,839,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,249,124.04 : 133,272,681.05 = 72,886,867.42 : x
  2. Step 2: Convert to fraction form
    89,249,124.04/133,272,681.05 = 72,886,867.42/x
  3. Step 3: Cross multiply
    89,249,124.04x = 133,272,681.05 × 72,886,867.42
  4. Step 4: Simplify right side
    89,249,124.04x = 9,713,828,234,399,296
  5. Step 5: Solve for x
    x = 9,713,828,234,399,296/89,249,124.04
  6. Step 6: Final answer
    x = 108,839,479.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.