Home / 107,506,703.60-161,658,186.60-89,988,930.80

Finding the Fourth Proportional to 107,506,703.60, 161,658,186.60 and 89,988,930.80

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Solution

The fourth proportional to 107,506,703.60, 161,658,186.60 and 89,988,930.80 is: 135,316,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,506,703.60 : 161,658,186.60 = 89,988,930.80 : x
  2. Step 2: Convert to fraction form
    107,506,703.60/161,658,186.60 = 89,988,930.80/x
  3. Step 3: Cross multiply
    107,506,703.60x = 161,658,186.60 × 89,988,930.80
  4. Step 4: Simplify right side
    107,506,703.60x = 14,547,447,367,200,886
  5. Step 5: Solve for x
    x = 14,547,447,367,200,886/107,506,703.60
  6. Step 6: Final answer
    x = 135,316,653.57

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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.