Home / 121,316,689.60-181,975,034.40-67,464,001.60

Finding the Fourth Proportional to 121,316,689.60, 181,975,034.40 and 67,464,001.60

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Solution

The fourth proportional to 121,316,689.60, 181,975,034.40 and 67,464,001.60 is: 101,196,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,316,689.60 : 181,975,034.40 = 67,464,001.60 : x
  2. Step 2: Convert to fraction form
    121,316,689.60/181,975,034.40 = 67,464,001.60/x
  3. Step 3: Cross multiply
    121,316,689.60x = 181,975,034.40 × 67,464,001.60
  4. Step 4: Simplify right side
    121,316,689.60x = 12,276,764,011,921,654
  5. Step 5: Solve for x
    x = 12,276,764,011,921,654/121,316,689.60
  6. Step 6: Final answer
    x = 101,196,002.40

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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.